1. Math

    Does studying for an exam pay off? The number of hours studied, x, is compared with the exam grade received, y. x 7 7 5 5 7 y 95 90 75 85 95 (a) Complete the preliminary calculations: SS(x), SS(y), and SS(xy). Incorrect: Your answer is incorrect. . (SS(x))

    asked by Krista on May 30, 2013
  2. SOC203

    ALL BUT ONE of the following effects occurs as a result of warfare: (Points : 1) diminished social programs. mother-child bonding. literacy decline. political restructuring.

    asked by PAT on February 24, 2013
  3. chemistry help~~~~ Please!!!

    Sodium-24, t1/2 = 15.0 hr, can be used to study the sodium balance in animals. If a saline solution containing 25 μg of 24^Na is injected into an animal, how long can the study continue before only 1 μg is left? Show work please!

    asked by Kim on April 14, 2014
  4. Statistics - Help!!!

    An independent measures research study compares three treatment conditions using a sample of n=5 in each treatment. For this study, the three samples have SS1=10, SS2=20, SS3= 15. What value would be obtained for MS within?

    asked by Lizzy on May 2, 2014
  5. Cost accounting

    The company is planning to sell product z for $10 a unit. Variable costs are $6 a unit and fixed cost are $100,000. What must total sales be to break even?

    asked by joyce on December 10, 2010
  6. Technology

    Why is it important to study in a quiet well lit area? You can read aloud and not bother anyone else You can focus on your studying without tractions •• Reading books in a dark room will strain your eyes It will help when you study with a friend

    asked by Meliza on February 2, 2016
  7. precalc

    Without further study, you forget things as time passes. A model of human memory gives the percentage, p, of acquired knowledge that a person retains after t weeks. The formula is p = (100 – a)e-bt + a, where a and b vary from one person to another. If a

    asked by Anonymous on August 31, 2010
  8. Stats

    In a qualitative study, which of the following is mostly likely to appear as an outcome of the study?

    asked by Anonymous on February 3, 2013
  9. Chem

    Based on the number of atoms per unit cell and the mass of the atom, the mass of the unit cell can be calculated. The density of the unit cell and the material as a whole can be determined from the mass and the volume of the unit cell as. D= M/V The usual

    asked by Juliee on January 16, 2009
  10. Louis Riel Summation--other quest.

    What information is presented in Louis Riel's summation? Information that is presented is that the Indians are suffering from eating rotten food of the HBC company, from which they are getting ill, and that his people are deprived of responsible

    asked by Emma on May 31, 2011
  11. statistics

    A manufacturer makes two models of an item: model A which accounts for 70% of unit sales, and model B which accounts for 30% of unit sales. Because of defects, the manufacturer has to replace (or exchange) 4% of its model A and 17% of its model B. Question

    asked by HELP ME on October 18, 2011
  12. Health (10th Grade)

    What is one role fats play in keeping your body healthy? A. maintaining healthy skin and nails B. aiding muscle growth C. removing waste D.lubricating joints I believe it's C, but I'm not quite sure. I'm a cyber school student and I can't seem to find the

    asked by Lexie on October 28, 2013
  13. stats.

    One hundred subjects in a psychological study had a mean of 35 on a test instrument designed to measure anger. The study the ó=10. Find a 99% confidence interval for the mean anger score of the population.

    asked by chris on April 7, 2013
  14. stats

    One hundred subjects in a psychological study had a mean of 35 on a test instrument designed to measure anger. The study the ó=10. Find a 99% confidence interval for the mean anger score of the population.

    asked by Christina on March 24, 2013
  15. math

    32 subjects in a study were recruited by advertisements to participate in a study of attitudes and values toward wine. What assumption are you making about these subjects? (I noticed that the problem does not state it is a SRS.)

    asked by AJ on April 3, 2013
  16. Stats.

    One hundred subjects in a psychological study had a mean of 35 on a test instrument designed to measure anger. The study the ó=10. Find a 99% confidence interval for the mean anger score of the population.

    asked by Christina on March 24, 2013
  17. Physics

    Suppose that an environmental study determines that a town produces approximately 2,000 lb of trash each day. The study group decides to convert their findings to SI units, using the conversion 1 lb = 0.4536 kg. They report that the town produces 907.2 kg

    asked by Kevin on September 6, 2012
  18. advanced statistics

    suppose the probability is 0.30 that a student taking an exam did not review. what is the probability,that among 6 students taking an exam, 5 did not review? less than or equal to 4 did not review?

    asked by anonymous on November 16, 2012
  19. Math, algebra

    in a two by 3 grid, each lattice point is one unit from its nearest neighbours. a total of 14 isosceles triangles( but not right triangles), each with an area of 1\2 u2 have only two vertices that are one unit apart in the grid. how many such half unit

    asked by John on October 22, 2017
  20. psychology

    In recent decades, the public’s appetite for psychological information has led to the rise of pseudoscience, which: A. promises easy fixes to life’s problems and challenges. B. is a recently recognized branch of modern psychological study. C. focuses

    asked by elly on June 25, 2015
  21. Statistics- HELP!

    2. The Rathburn Manufacturing Company makes electric wiring, which it sells to contractors in the construction industry. Approximately 900 electric contractors purchase wire from Rathburn annually. Rathburn's director of marketing wants to determine

    asked by Betty on February 11, 2013
  22. math

    on 3 tests you earned grades of 88%,94%,and 90%. Each test was worth 150points. The final exam is worth 250 points. How many points do u need on the final exam to earn 93% of the total points on tests? What percent do you need on the final?

    asked by Brandon on December 4, 2012
  23. business econ

    What is the break even in units? Bottle, Label and Production (direct material and labor) = $9.12 per 12 oz. can Advertising & promotion (fixed) = $218,000 Company Overhead (fixed) = $354,000 Formula I'm using: Breakeven in units (BEU)= total fixed cost /

    asked by Kelly on October 12, 2015
  24. Computer Programming

    Professor Merlin has asked you to help him. He has 100 total students in his four classes but he is not sure that all of them took his last exam. He wants to average the grades for his last exam in four sections of his medieval literature course and then

    asked by Giris on April 22, 2014
  25. accounting

    A company that uses perpetual inventory system made the following cash purchases and sales: January 1 Purchased 100 units at $10 per unit. February 5: Purchased 60 units at $12 per unit. March 16: Sold 40 units for $16 per unit. Prepare general journal

    asked by pj on November 1, 2010
  26. psychology

    Brad wonders if he will have a problem later in life with alcoholism. His father is an alcoholic and his great-grandfatheer had a problem holding a job due to his drinkng habits. After reading this lesson, Brad believes that a/an ______ study would give

    asked by bj on September 30, 2011
  27. Ib math

    The marks of 2376 students in an IB exam are normally distributed with mean 49 marks and variance 225 A) if the mark is 45 estimate the number of candidates who passed the exam? B) if top 7% of students are awarded a 7, find the minimum mark required to

    asked by sara on April 9, 2015
  28. Law and Ethics Medical

    The verification requirement of HIPAA requires that PHI information not be disclosed without verifying A. the accuracy of medical information before it's released. B. the identity of the person making the request. C. that the information can't be obtained

    asked by debbie on May 3, 2015
  29. Law and Ethics Medical

    The verification requirement of HIPAA requires that PHI information not be disclosed without verifying A. the accuracy of medical information before it's released. B. the identity of the person making the request. C. that the information can't be obtained

    asked by debbie on May 3, 2015
  30. Social Studies/ Economics

    Which are functions of money? Select all that apply. a. Store of value b. Producer of resources * c. Unit of account d. Medium of exchange * e. Record of finances * f. Unit of output (You have to choose 3)

    asked by StorySecrets on May 5, 2017
  31. Macroeconomics

    Suppose that the government decides to subject producers of this item to a unit excise tax equal to $2 per unit sold. What is the new market price? What is the new equilibrium quantity?

    asked by Linda on February 25, 2016
  32. psychology

    Please check my answers for these questions, thank you. 1. A case study is A. a study of the legal ramifications of psychological research B. an intensive study of a person or group* C. observation with minimal interference D. a study of a group of people

    asked by dani on February 19, 2018
  33. Science

    Difference between mass unit and force unit.

    asked by Juanita on November 21, 2012
  34. dps

    If a and b are two unit vectors and θ is the angle between them, then a+b is a unit vector if θ is

    asked by manpreet on November 23, 2012
  35. Spanish

    unit 10: computadoras y tecnologia unit test. Need some help

    asked by HelpMeJesus on May 20, 2017
  36. English

    1. I'm very happy because I can go to school and study now. 2. I'm very happy that I can go to school and study now. 3. I'm very happy I can go to school and study now. -------------- Are both the same in meaning? Which one is popular, 'because' or 'that'?

    asked by rfvv on March 15, 2015
  37. 8th grade technology

    what are good sites to study for technology final exams? This site may help you. http://www.homewood.k12.al.us/middleschool/staff/whip/8thgradeproftests.htm However, your best preparation is go study your text and your notes and any handouts your teacher

    asked by cc on June 10, 2007
  38. computers

    compute the unit price for products sold the program should input the name and price of an item and its weight in pounds and ounces. Then it should determine and display the unit price write a pseudo code program that will allow a user to find the unit

    asked by Anonymous on October 3, 2013
  39. fundamental of organizational communication

    can some assist me with this assignment? It is time to choose an organizational communication scenario to use as the case study for your final project. Most learners choose a problem or issue they are experiencing at their current workplace, but you may

    asked by Hope on November 10, 2011
  40. physics

    A 0.46 kg object connected to a light spring with a spring constant of 18.0 N/m oscillates on a frictionless horizontal surface. The spring is compressed 4.0 cm and released from rest. (a) Determine the maximum speed of the mass. unit = cm/s (b) Determine

    asked by :) on March 22, 2011
  41. calculus

    Find a unit vector U such that the rate of change of f in the direction of U at the given point is maximum. point being (3,5,pi) I know hos to do this when given a direction but since im asked to ind the unit vector first it kinda throws me off. do i just

    asked by Joe on March 8, 2012
  42. 8th Grade Journalism

    Can somebody please confirm that I'm correct with the other answers? **Can somebody help me with the 2nd question please? Passive Voice to Active Voice Passive Voice---A college entrance exam was taken by nearly 100 students on Saturday. Results from the

    asked by Music Lover 14 on December 3, 2016
  43. Statistics

    An investigational drug study is being conducted. The initial screening phase needs to include enough people so that the final (approved) group has at least 10 patients. The probability of a person being approved for the study is .80. what initial sample

    asked by Craig on June 6, 2009
  44. algebra

    Find the price of any container of lemonade at a local grocery store. (You can also find prices in advertisements and on the Internet.) Make sure you write down the number of fluid ounces in the container. Determine the unit price and post the information.

    asked by may on September 11, 2014
  45. Algebra

    Find the price of any container of lemonade at a local grocery store. (You can also find prices in advertisements and on the Internet.) Make sure you write down the number of fluid ounces in the container. Determine the unit price and post the information.

    asked by Anonymous on September 10, 2014
  46. math question

    I am trying to study for a basic math entrance exam and can not recall how to work out the following question. Here it is: Three people who work full time are to work together on a project,but their total time on the project is to be equivalent to that of

    asked by Heather on August 11, 2010
  47. Cyber Safety

    How can information shared on the internet affect your future? Information shared on the internet can affect your future by your computer getting hacked, data getting backed up, and fraud, which all relate in with security. By not sharing personal

    asked by Anonymous on December 27, 2010
  48. STATISTICS

    In a cross-sectional study of heart disease and gender in middle-aged men and women, 10% of men in the sample had prevalent heart disease compared with only 5% of women in the sample. After adjusting for age in multivariate logistic regression, the odds

    asked by Susie on August 6, 2013
  49. Business and math question

    Isabella is hoping to get an A on her college algebra course. With just the final exam left to take, she currently has an average of 92 on her exercises. The quizzes count for 40%, exercises count for30% of the class grade. What is the minimal grade that

    asked by John on August 30, 2012
  50. Science

    How does NASA's guest blogger support her claim that there are role models for communicating scientific information? (A) She names her own personal favorite resources for scientific information. (B) She lists several sources of scientific information that

    asked by Anonymous on March 22, 2018
  51. Statistics

    The accompanying data show the number of hours, x, studied for an exam and the grade received, y (y is measured in tens; that is, y = 8 means that the grade, rounded to the nearest 10 points, is 80). x 2 3 3 4 5 5 5 6 6 6 7 7 7 7 8 y 5 5 6 5 6 7 8 6 9 8 7

    asked by Sue on May 26, 2013
  52. maths

    sarah invested £12000 in a unit trust 5 years ago, the value of the unit trust increased by 7% per annum for each of the last 3 years. before this the price had decreased by 3% per annum. calculate the current price of the unit trust

    asked by hayden on October 26, 2017
  53. probability and statistics

    Suppose every student in your class got a score of 85% on an exam. What are the mean and standard deviation of those exam scores without doing any calculations? I want to say the mean is 100 and the standard deviation is 1 but I don't know why. If all

    asked by Tiffany on June 17, 2014
  54. maths Literacy

    It takes time to understand maths Literacy most on fractions an mixed fractions what must I do?

    asked by Katleho on January 25, 2014
  55. math

    On three tests you earned grades of 88%,94% and 90%. Each test was worth 150 points. The final exam is worth 250 pts. How many pts do you need on the final exam to earn 93% of the total points on tests? What percent do you need on the final?

    asked by annonymous on December 4, 2012
  56. Math < please help >

    What is the volume of the trianglar prism to the nearest whole unit? ( Connexus Unit 2 Lesson 13 grade 8th) Height: 4 ft Base: 14 ft Length : 21 ft A - 392 ft^3 B - 588 ft^3 C - 1176ft^3 D - 2352ft^3 I think it's B. I am right?

    asked by Kitty Kat *^* on February 20, 2018
  57. Math

    Jose invests $3,250 at 6% interest compounded annually. What will be the balance in the account after 3.5 years? Please give me the answers to the unit 5: Lesson 10: Patterns and rules unit test.

    asked by Boonk on October 23, 2017
  58. Accounting

    For the current year ending April 30, Hal Company expects fixed costs of $60,000, a unit variable cost of $70, and a unit selling price of $105.

    asked by Anonymous on July 20, 2013
  59. Math Check

    1. Select the word that correctly completes the sentence below To convert from a smaller unit to a larger unit, you ____ by a power of ten. A) Add B) Subtract C) Multiply **** D) Divide

    asked by Kaden on February 23, 2016
  60. criminal justice

    The study of why certain people are victims of crime is known as victimology. It also includes the study of how lifestyle makes certain people more susceptible to be victims. Author Susan Sontag wrote the following quotation on victims: “Victims suggest

    asked by sharday on January 21, 2012
  61. Prob ans stat

    Let x be a random variable that represents the length of time it takes a student to complete a take-home exam in Dr. Larson's psychology class. After interviewing many students, it was found that x has an approximately normal distribution with mean of 5.2

    asked by Hannah on July 29, 2011
  62. Grade 3 (transporatation)

    I am doing a unit on public transportation in New York city for my 3rd grade class and I am having a little trouble finding interesting and fun websites that my students could use to get information on past and present types of public transportation. Do

    asked by Trisha on September 27, 2008
  63. Math

    In an exam there were 90 queations each carried 4 marks.For correct 4 marks shall be awarded and for every wrong response 1 marks shall be deducted from the total score .If I attempted the exam and made wrong 14 questions and unattempted 2 What will be my

    asked by Mmb on May 4, 2017
  64. Science Chemical Reactions

    1. The current atomic model would be revised if  (1 point) A• better microscopes were being used to study its structure. B• better microscopes are invented in the future. C• new information about an atom’s structure is discovered. C• a new

    asked by John Smith on March 7, 2018
  65. bus 599

    A group of economics students gathered to study for a test on the money and banking system in the U.S. During a fast and furious brainstorm session, Jill scribbled down several key phrases she will use to study tomorrow. Unfortunately, in her haste, all

    asked by Anonymous on March 5, 2012
  66. science

    tenets or principles of constructive teaching explain and give examples as to how these tenets support science literacy

    asked by Anonymous on September 16, 2009
  67. English

    Hello! Can anybody find me universities, where I can study law? in Europe...... I want to study in german language, but not necessarely in Germany or Austria:) Austria and Wien would be the best, because I live in Hungary, and thios country is close to my

    asked by Lulu on October 30, 2009
  68. College Algebra

    I can't seem to figure this quadratic - An aircraft factory manufactures airplane engines. The unit cost C (the cost in dollars to make each airplane engine) depends on the number of engines made. If x engines are made, then the unit cost is given by the

    asked by Jermaine on March 19, 2017
  69. Calculus

    The demand function for the Luminar desk lamp is given by the following function where x is the quantity demanded in thousands and p is the unit price in dollars. p = f(x) = -0.1x2 - 0.3x + 39 (a) Find f '(x). f '(x) = (b) What is the rate of change of the

    asked by Mike on June 13, 2013
  70. Psychology

    Is positive psychology the study of happiness? Or is it more broad- the study of all positive human attributes?

    asked by Anonymous on December 6, 2016
  71. us 101

    What tips for creating a study environment may be most effective for you? What might you do to make that study environment real for yourself?

    asked by Anonymous on November 28, 2010
  72. English

    Now is the time to step up and study. On my infinitive is it the whole phrase to step up and study? And am I correct to say an adverb

    asked by Jarad on October 30, 2014
  73. Science

    scientists often use models to Study the movement of earth and it's moon. Why do they use models to study the movements?

    asked by Lia Help! on December 2, 2009
  74. Intro to health care mgmt

    Select one of the following as your department/issue. • Surgery Unit: The surgery unit is consistently starting surgery late, which is causing delays in all subsequent procedures. • Environmental Services: It is taking an excessive amount of time to

    asked by Norma on December 8, 2012
  75. science

    the current atomic model would be revised if 1)better microscopes were being used to study its structure. 2)better microscopes are invented in the future. 3)new information about an atoms structure is discovered.*** 4) a new element is discovered in the

    asked by alainaforysthe on October 9, 2017
  76. Science

    The current atomic model would be revised if... A.)Better microscopes were being used to study its structure. B.)Better microscopes are invented in the future. C.)New information about an atoms structure is discovered.

    asked by #HelpMe on October 22, 2018
  77. Finite!!!

    9. Roberta Hernandez sells three items‐A, B, and C in her gift shop. Each unit of A costs her $2  to buy, $1 to sell, and $2 to deliver. For each unit of B, the costs are $3, $2, and $2, respectively, 

    asked by pickle123 on December 13, 2011
  78. Algebra

    An aircraft factory manufactures airplane engines. The unit cost C (the cost in dollars to make each airplane engine) depends on the number of engines made. If x engines are made, then the unit cost is given by the function =Cx+−0.2x248x21,748 . What is

    asked by Shelby on March 17, 2017
  79. MATH

     Roberta Hernandez sells three items‐A, B, and C in her gift shop. Each unit of A costs her $2  to buy, $1 to sell, and $2 to deliver. For each unit of B, the costs are $3, $2, and $2, respectively, 

    asked by pickle123 on December 13, 2011
  80. ALGEBRA

    An aircraft factory manufactures airplane engines. The unit cost C (the cost in dollars to make each airplane engine) depends on the number of engines made. If x engines are made, then the unit cost is given by the function =Cx+−0.2x248x21,748 . What is

    asked by JANAYA on March 18, 2017
  81. math

    The researcher in exercise 2 decides to conduct the same study using a within- participants design to control for differences in cognitive ability. He selects a random sample of subjects and has them study different material of equal difficulty in both the

    asked by adrienne on September 16, 2014
  82. statistics

    The researcher in exercise 2 decides to conduct the same study using a within- participants design to control for differences in cognitive ability. He selects a random sample of subjects and has them study different material of equal difficulty in both the

    asked by adrienne on September 16, 2014
  83. SCI 162

    Case Study: Gayle and Patrick Read the following case study about Gayle and Patrick. You may also click on the Audio: Thinking It Over if you prefer to listen to the case study. After reviewing the case study, answer the questions on below. Gayle and

    asked by Brittany on June 14, 2010
  84. geography

    most profits from minning in south africa: A)go to foriegn corporations B)are divided among the workers as bonuses C)are reinvested in the nations economy D)go into a fund to help increase literacy in the nation my choose is c

    asked by henry on September 10, 2009
  85. Xbis

    What are information resources? What types of information resources does a business usually need? Why is it important for a general manager to be knowledgeable about information technology?

    asked by Anonymous on June 19, 2009
  86. AED

    i need help please with this 2. Assignment: Information Processing Theory Due Date: Day 7 [Individual] forum Compose a 1,400- to 1,700-word paper analyzing the information processing theory: Identify the components of the information processing theory

    asked by dawn on June 26, 2008
  87. help-3 questions

    5. Which of the following is an important criterion for evaluating the effectiveness of a graphic organizer? how colorful it is how well it conveys information how many pages it is how many words it contains 6. How was information conveyed in the Google

    asked by Princess Anna on January 22, 2014
  88. Finite Matematics

    The quantity demanded x each month of Russo Espresso Makers is 250 when the unit price p is $170; the quantity demanded each month is 1000 when the unit price is $140. The suppliers will market 750 espresso makers if the unit price is $90. At a unit price

    asked by Tre on February 17, 2012
  89. Accounting

    Candace Corporation has decided to introduce a new product that can be manufactured using either a capital-intensive method or a labour-intensive method. The predicted manufacturing costs for each method are as follows: Capital-Intensive Labour-Intensive

    asked by Flo on August 16, 2010
  90. health unit

    I have to develop a lesson plan for a health unit on "What Makes Us Grow" based on a class size of 15 children. I have to include objectives, the time required, materials needed, learning activities, measures for evaluation, and any teacher resource

    asked by christina on February 3, 2010
  91. socials

    what be the relationship between female literacy and reduced birth rates? that be the more education they get the less kids they have because their concentration go towards work so they work to be independent.

    asked by Mohammad on January 12, 2012
  92. career and career choices

    What careers ara available if you are doidoing maths literacy , Consumer studies,business studies,Economics,English, XhosA

    asked by tebello Tumie Mokotso on November 9, 2015
  93. math

    Julie wants to have a 90 average in her math class at the end of the year. She is trying to determine what she needs to make on her final exam for this to work. Everything is weighted equally and she currently has a 85 for her quiz average, a 80 for her

    asked by hallie on March 14, 2016
  94. ACTIVITY-BASED COSTING

    Globe Company produces two products, A1 and B2. A1 is a high-volume item totaling 20,000 units annually. B2 is a low-volume item totaling only 6,000 units per year. A1 requires one hour of direct labor for completion, while each unit of B2 requires 2

    asked by Johnny on February 24, 2009
  95. math

    I don't understand how to write the formulas for unit analysis. I can do the problems, but the explanation of the formulas in my book doesn't make sense with the problems I am doing. For instance, this one: Find the unit rate: $2 for 5 cans of vegetables.

    asked by Lydia on December 4, 2007
  96. physics

    An astronaut in his space suit and with a propulsion unit (empty of its gas propellant) strapped to his back has a mass of 146 kg. The astronaut begins a space walk at rest, with a completely filled propulsion unit. During the space walk, the unit ejects

    asked by Anonymous on November 11, 2012
  97. Physics

    An astronaut in his space suit and with a propulsion unit (empty of its gas propellant) strapped to his back has a mass of 146 kg. The astronaut begins a space walk at rest, with a completely filled propulsion unit. During the space walk, the unit ejects

    asked by D on November 13, 2012
  98. Math

    Need help working this problem out, any assistance is appreciated. A dance studio measures 150 feet by 120 feet. A scale drawing of the dance studio floor measures 10 units by 8 units. What scale was used to create the scale drawing? A) 1 unit: 8 feet B) 1

    asked by Steve on February 19, 2018
  99. BIOLOGY PLEASE HELP!!!

    A trap left set overnight is called a trap night. Ex. 10 straps set for 1 night = 10 trap nights. a) 500 traps were set during the study. How many trap nights? b) What was the catch per 100 trap nights in study? c) A catch of 12 animals per 100 trap nights

    asked by Lisa on April 2, 2007
  100. Science

    What has the study of fossils allowed scientists to do? A) Describe the past environments and the history of life. B) Study present ocean temperatures at different depths C) Analyze the chemical compositions of sedimentary rocks and minerals. *** D)

    asked by Grace on September 29, 2015