1. Statistics

    The following are Exam scores for a group of Mathematics students. a) Group this data by using the Sturges’ formula to determine the number of classes. Keep the width of each class equal. b) Find the mean, standard deviation and variance of the grouped

    asked by Fala on October 30, 2015
  2. Technology

    22. Telecommunications is a growing field of technology. We use such things as televisions, telephones, radios, and computers to communicate using electromagnetic waves. Take one of these devices and explain the five steps it must go through in the

    asked by y912f on April 8, 2010
  3. Math pleaaaase help

    A national math contest consisted of 11 multiple choice questions, each having 11 possible answers. Suppose that 111 students actually wrote the exam, and no two students has more than one answer in common. The highest possible average mark for the

    asked by Mathslover on May 14, 2013
  4. Chemistry

    (a) Certain alloys such as LaNi5 can store hydrogen at room temperature. A plate of LaNi5 containing no hydrogen is placed in a chamber filled with pure hydrogen and maintained at a constant pressure. At what depth from the surface will the concentration

    asked by Andrea on December 6, 2012
  5. Physics Help, Please

    The figure below shows two speakers, A and B, which are emitting identical, synchronized (in-phase) sound waves at 240kHz. A person standing a point C hears a relatively loud sound. She then starts walking towards point D, and notices the sound gets

    asked by Michael on November 12, 2012
  6. Stats

    Suppose that your score on an exam has a positive z-score in comparison to your classmates. A. Is it possible that your score is below the mean score?

    asked by Rok on January 31, 2012
  7. math

    A Jewlery box has length of 3 and a half, a width if 1 and a half, and a height of 2 units. What is the volume if the box I cubic units? Each of the cubes in this activity has a side length of 1/2. How many cubes with side length 1/2 does it take to form a

    asked by Jess on May 6, 2014
  8. statistics

    Suppose the final exam scores in a large class is symmetric mound shaped with a mean of 70 points and standard deviation of 10 points. The percentage of students in the class who receive more than 60 points is approximately

    asked by Anonymous on February 17, 2012
  9. Geometry Proofs, HELP!!

    I need help, I have a Geometry Exam on Monday. And I don't understand proofs one bit. If someone could help me with some proofs that would be awesome!! You have to post specific questions to get specific help. My experience is that on proofs studying with

    asked by ccseagle on January 3, 2007
  10. teachers aide

    Please someone post the answers of Resources of Educating Young children with Diverse Abilities (PART-3) so i can fix my answer because it's my last exam and i don't want get low mark.please---i am so confused with few answers. Please post the answers!!!!!

    asked by hir on December 13, 2013
  11. Epidemiology

    • Consider each of the following scenarios and explain whether the variable in question is a confounder: a. A study of the relationship between exercise and heart attacks that is conducted among women who do not smoke. Explain whether gender is a

    asked by Joe on October 17, 2010
  12. businesscommunication

    What is a proper organizational strategy for an informative message? (Points: 5) Background information, negative elements, main idea(s), goodwill ending, benefits Benefits, negative elements, main idea(s), benefits, background information, goodwill ending

    asked by Anonymous on June 4, 2011
  13. Pre algebra

    Write the following ratio in simplest form 32 min : 36 min A 8:9******************* B 8:36 C 32:9 D 128:144 In a sports equipment locker there are 81 balls and 45 baseball mitts. Write the ratio of balls to baseball mitts in simplest form A

    asked by orangygirl on November 5, 2015
  14. AED

    Discusses the central executive, sensory register, working memory, and long-term memory Reviews the relationship among the central executive, sensory register, working memory, and long-term memory Details how sensation and perception, attention, working

    asked by dawn on June 27, 2008
  15. computer system organization

    2. You're an IT professional, and your boss has asked you to prepare a briefing for senior staff on the comparative advantages and disadvantages of three competing tape drive technologies: Digital Linear Tape (DTL), Advanced Intelligent Tape (AIT), and

    asked by lily on July 1, 2014
  16. Science

    What kind of Information can a Compound microscope provide? Much more information than I can type for the next three months. Blood cells, animal parts, leaf structures, snow flakes, and you get the idea. I was sick about two weeks when I was a child and we

    asked by marco on September 10, 2006
  17. adult education

    identify the three domains of development. Describe why it is important to consider each domain in the study of adult education?

    asked by Linda on October 24, 2010
  18. 8th grade science

    Measurement is a quantity with both a ____________________? Please fill in the blank. This question is on my study guide and I do not know what the answer is?

    asked by kelsey on September 3, 2009
  19. Life orientation

    Identify three courses or study fields you are interested in following after grade 12 write down them in order of preference

    asked by Lebogang modike on March 7, 2016
  20. Nursing

    Identify a research study in the area that has marked cultural, ethical, or legal connotations.

    asked by Christy on May 4, 2008
  21. teaher aide

    which of the following class arrangement works best for individual study traditional horseshoe modular y-shaped

    asked by kalsoom on February 23, 2010
  22. dr bob

    I am still confused by the last one CO3^2- You were nice enough to do a diagram and then the expalnation for what else I needed to do was so confusing - I am at study hall and this is my last one

    asked by sam on December 14, 2007
  23. psychology

    What’s the difference between the scientific study of psychology and having a general interest in human behavior? Does it really matter?

    asked by Bri on August 1, 2018
  24. business

    who are the relevant market and nonmarket stakeholders in the cisco in the coyote valley case study

    asked by moe on December 1, 2010
  25. community psycology

    How each of “the four acts of qualitative research” would apply to you personally if you was doing this study. for prescription drug addiction

    asked by Sandy on September 18, 2015
  26. geography-immigration

    does anyone know where i can find a list of famous people that have immigrated into Canada??? please help!!! i need to know this to study for big test!!!

    asked by martha on April 21, 2009
  27. Science

    I have the 1st part of final tomorrow, how can I study it'll be a multiple choice test. Need help asap!

    asked by Eliabeth on May 10, 2016
  28. stats

    n a study using 15 respondents and in which the population variance is unknown, what distribution should be used to calculate the confidence interval.

    asked by Anonymous on September 3, 2012
  29. TEAS Test

    I am trying to study for the TEAS test and I wanted to know if anyone knew any resourceful websites or had any advice in preparing for it. Thanks.

    asked by Camron on April 15, 2008
  30. Social Studies

    True or False Geographers use maps, globes,and computers to study people and places?

    asked by Frances on September 11, 2011
  31. Science

    Scientists who study abnormal animal behavior would probably know much about A. Astronomy B. biology C. Geography D. History

    asked by Kimberly on July 8, 2015
  32. Study Guide

    Does anyone know where I could find an online or PDF version of the Holt Biology 2004 study guide?

    asked by Victoria on February 21, 2016
  33. life orientation

    Identify 3 study fields/paths in order of preference and provide two reasons for each choice

    asked by cynthia on March 22, 2014
  34. Physical Science

    How does the study of heat relate to the kinetic theory of matter? (Answer in a simplified terms please)

    asked by Sue on April 27, 2010
  35. hsitory

    Which of the following is the study of governmental institutions and processes? A. geography B. political science C. sociology D. economics

    asked by Sariah on February 14, 2012
  36. English

    After school, I go to an afterschool class to study math. (Is this a correct sentence? Do you ahve better expressions?)

    asked by John on May 20, 2009
  37. Life orientation

    Explaination on socio-economic factors that can influence your study choices and future career

    asked by Thabsile angel on March 10, 2016
  38. statistics

    hi, i need some sample question with answers of apy and apr..please..i need to study..thank you very much..love you...god bless you

    asked by gen on February 3, 2009
  39. COM/215

    REVISE Studying is hard work many students find they study better when they take regular breaks.

    asked by Sonia on August 8, 2012
  40. physics

    a ball of mass m is thrown vertically upwards with Vo= 10j m/s. Study nature of motion

    asked by Sara on May 21, 2015
  41. social studies

    How did mount taishan affect the people living there? what are the three levels at which a geographer might study the world?

    asked by Samson on September 23, 2010
  42. Chemistry

    Nuclear magnetic resonance spectroscopy can be used to study which type of atoms? A. 16O B. 1H C. 2He

    asked by Morgan on December 17, 2014
  43. Life orientation

    Identify three courses or study fields you are interestedi in following after grade 12 and write them down in order of preference

    asked by Adolphina on February 28, 2016
  44. statistics

    • Prepare a 700- to 1,050-word paper in which you interpret the statistical significance of a study.

    asked by Anonymous on August 31, 2010
  45. literature

    The label detective novel is an example of A. universal truth B. a character study C.genere d.informational reading

    asked by Anonymous on July 22, 2012
  46. math lit, accounting, business studies, cat

    Can i study (b com)supply chain management in varsity. My main concern is math lit.

    asked by sine on January 2, 2015
  47. solomon mahlangu high

    Identify three courses or study fields you are interested in following after grade12 write them down in order of preference

    asked by martha on March 14, 2016
  48. Life orientation

    Three courses or study fields you are interested in following after grade 12 and two reason why you find this suitable course for each choice

    asked by Lil mash on April 24, 2016
  49. 7TH GRADE

    HOW DO I STUDY BETTER? WHEN THERE ARE TO MANY DISTRACTIONS IN MY HOUSE. BECAUSE MY TEST GRADES ARE BAD AND THEY ARE PULLING DOWN MY AVERAGE GRADE

    asked by Anonymous on April 29, 2010
  50. Anonymous

    Life Orientation.What are the 3 disadvantages of students that study at the institution of higher education through nsfas?

    asked by Mahlogonolo on June 30, 2015
  51. chemistry

    Nuclear magnetic resonance spectroscopy can be used to study which type of atoms? A. 16O B. 1H C. 2He

    asked by Morgan on January 28, 2015
  52. Procrastination

    How can I avoid procrastination? I have to study for midterms but, in addition to being a slow worker, I can't stay focused. Please help!

    asked by NotFocused on January 18, 2010
  53. statistics

    Suppose that your studying tine is unifornily distribution between 4 pm and 10pm what is the probability that will study afterb8 pm

    asked by sue spear on April 8, 2015
  54. algebra

    HOW IS 1/(-2)³ THE SAME AS - 1/8? I understant that -2 x -2 x -2 = -8 but why does the entire fraction become negative? I would think the answer would be 1/-8? Not -1/8? Are they the same thing? This is GMAT study question.

    asked by PJR on April 16, 2012
  55. Life oriantation

    Identify five practices in the above case study that are in contravention of the basic conditions of employment act

    asked by Syabonga on March 10, 2013
  56. statistics

    true or false if there were 15 difference scores in a matched pairs design then there were 28 participants in the study

    asked by tammie on December 3, 2015
  57. geography

    How can archaeologists continue to study ancient remains without infringing on the rights of Native Americans?

    asked by hillary on September 20, 2008
  58. algebra

    HOW IS 1/(-2)³ THE SAME AS - 1/8? I understant that -2 x -2 x -2 = -8 but why does the entire fraction become negative? I would think the answer would be 1/-8? Not -1/8? Are they the same thing? This is GMAT study question.

    asked by PJR on April 16, 2012
  59. Life oriantation

    Identify five practices in the above case study that are in contravention of the basic conditions of employment act.

    asked by Syabonga on March 10, 2013
  60. Biology

    Why is the manner in which subjects are assigned to study groups important to the validity of scientific investigation?

    asked by rainy on January 15, 2011
  61. Biology

    Why is the manner in which subjects are assigned to study groups important to the validity of scientific investigation?

    asked by rainy on January 15, 2011
  62. english

    how do i change this to active voice: The diagrams were left in the classroom for them to study the vocabulary throughout the week.

    asked by jill on October 22, 2015
  63. Social Studies

    I need help. I am doing a study Guide for Social Studies, and I have been looking for web-sites for Mongolia, and how it affects its economy. Can you help me? Thanks!

    asked by Help?! on December 8, 2017
  64. child psychology in general

    the main problem with informal theories is they are based on . a.bias b.emotion c. tradition rather than study can someone please help thanks

    asked by susue on August 1, 2013
  65. PhI 103

    what kinds of mistakes might they makewithout having been exposed to a careful study of reasoning provided by logic?

    asked by gloria on May 2, 2012
  66. Statistics

    Suppose a study found a correlation coefficient r = -0.61 between the gender of a worker and their income. What can you conclude?

    asked by Lisa on January 4, 2011
  67. psychology

    Case study method to investigate a mother's experience in raising a child with autism

    asked by Jean on April 20, 2011
  68. i need help on science

    please somebody smart answer this question like Ms.Sue or anybody else. how are earthquake vibrations used to study earth's layers?

    asked by albert on November 14, 2008
  69. living enviroment

    how do yuh break the the spermatogenesis and get the meaning for example biology bio=life ; logy = study of

    asked by tatiana on November 3, 2009
  70. economics math

    Consider the problem of a rational consumer with an experienced utility function given by 10ln(x)+m and a wealth level W=100. Suppose that the market price for good x is p=$2 per unit. You are asked to analyze the impact on the consumer's demand of the

    asked by manu on January 20, 2014
  71. ENGLISH

    WHICH IS THE CORRECT SENTENCE? STAY TUNE FOR MORE IN INFORMATION. OR STAY TUNED FOR MORE INFORMATION. The second sentence is correct. Stay = command verb (understood subject) tuned = past participle used as an adjective -- predicate adjective. =)

    asked by LYDIA on October 10, 2006
  72. English

    I left out a few things. Thank you very much for helping me. 1) Amnesty works by collecting information. When it has a proof that a person is a 'Prisoner of Conscience', then a person's case is handed over to a local group. Question: Amnesty gathers

    asked by Matthew on April 14, 2012
  73. art

    Assignment Type: Individual Project Deliverable Length: 500-800 words (not including references) Points Possible: 125 Due Date: 8/16/2009 11:59:59 PM CT Choose three (3) works of art from three artists from the Baroque period through the Postmodern era.

    asked by Sondra on August 5, 2009
  74. Accounting

    Adjusting enteries: 1. On august 1st, mr. borg borrowed $30,000 from a local bank on a 15 year mortage. The annual interest rate is 8%. A telephone bill in the amount of $117 covering august charges is unpaid at august 31. Although this is not my area of

    asked by Henna on September 4, 2005
  75. Physics

    if a ball is thrown vertically into the air, leaving the ground at a height of 1.8m, with a speed of 9.7m s -1. When it rises and falls to the ground what will the balls speed be as it hits the ground? please help with an explanation as i am so stuck, my

    asked by Rebecca Niles on December 6, 2010
  76. Physics

    I had eye surgery and missed 2 weeks of lectures here is an example question of what we are learning Inwas wondering if someone can explain to me how to solve it? Two constant forces act on an object of mass m = 5.00 kg object moving in the xy plane as

    asked by Keef sosa on October 18, 2016
  77. Accounting

    CollegePak Company produced and sold 60,000 backpacks during the year just ended at an average price of $20 per unit. Variable manufacturing costs were $8 per unit, and variable marketing costs were $4 per unit sold. Fixed costs amounted to $180,000 for

    asked by Ty on July 4, 2012
  78. Chemistry

    I Have Two Questions 1)How would you calculate the number of nanometers in 8.1 cm? 2)What is the equivalent of 0.35 lb in grams? You need to learn to do deimensional analysis. It's easy. 0.35 lb to grams We know there are 453.6 g in a lb. We take the given

    asked by Bryan on January 25, 2007
  79. Geography

    Last time I asked this question, I forgot to come back here and check so I'm really sorry that I'm asking again but i need an answer to this!! because this exam was supposed to be due Monday 29. What forms the basis of the Czech economy? a. subsistence

    asked by mysterychicken on October 7, 2009
  80. curriculum

    Which of the following is an example of a project-approach activity for a preschool class? A. At 9:00 in the morning every day, half the children in the class do sorting and counting activities while the other half work on an art project. After 20 minutes,

    asked by Daniela on September 18, 2014
  81. physics

    Tarzan, who weighs 820 N, swings from a cliff at the end of a 20.0 m vine that hangs from a high tree limb and initially makes an angle of 22.0° with the vertical. Assume that an x axis extends horizontally away from the cliff edge and a y axis extends

    asked by Anonymous on February 21, 2010
  82. physics

    Tarzan, who weighs 820 N, swings from a cliff at the end of a 20.0 m vine that hangs from a high tree limb and initially makes an angle of 22.0° with the vertical. Assume that an x axis extends horizontally away from the cliff edge and a y axis extends

    asked by nate on February 21, 2010
  83. allied health

    When HIPAA requires authorization to disclose information, the authorization must? a. conform to the releases customarily used by that particular health care provider. b. conform to releases customarily used in that state. c. include all identifying

    asked by Anonymous on October 12, 2010
  84. health

    When HIPPA requires authorization to disclose information, the authorization must A. conform to the releases customarily used by that particular health care provider. B. conform to releases customarily used in that state. C. include all identifying

    asked by Zinoviy on October 28, 2010
  85. US History

    'Some Americans believe that government agencies should regulate the internet, setting guidelines for its contents and limiting access to databases containing personal information. Determine your opinion. List reasons why you support or oppose regulations

    asked by mysterychicken on October 4, 2010
  86. chemistry

    Hi, my question: The first five ionization energies of three different elements are: 1. 570 1800 2700 11600 15000 2. 740 1450 7730 10540 13600 3. 800 2400 3600 25020 32820 Which one of those elements is the most electronegative? I know that

    asked by Andi on July 12, 2011
  87. Tech

    What information do you consider critical for adults to know when it comes to identity theft? What information can make an impact on how parents participate online? Use the Identity Theft resource sheet to start to develop content for your presentation.

    asked by Anonymous on February 19, 2016
  88. statistics

    Scores from a statistics exam are reported as deviation scores. Which of the following deviation scores indicates a higher position in the class distribution?

    asked by michelle on December 6, 2012
  89. math

    For a class of 43 students fora certain exam, the mean grade is 67 and the standard deviation is 7. a) How many students should receive a C? (a c is between 74-79) b) How many students should receive a B? (a B is between a 80-89) c) what score is necessary

    asked by joe-c on November 16, 2008
  90. english

    There was one student still taking the exam when the bell rang. I need to find simple subject and complete subject. I know that "STUDENT" is the subject

    asked by shell on August 26, 2016
  91. English

    Identify simple subject and simple predicate in each 1 The elderly patient's deep venous thrombosis was treated with Coumadin. 2 The neurologic exam tested her Babinski reflex. 3 There are children waiting in the lobby. 4 After being examined and

    asked by Fran on November 27, 2013
  92. window XP

    Windows XP Professional can accommodate the addition and removal of many types of devices. The installation of a device results in the installation of drivers and allocation of resources. Subsequent removal of the device can result in this information

    asked by John on March 27, 2010
  93. english

    Thanks for the help on putting up fence. I need help with starting general information (Background on illegal immigration& putting fence) How can I start with the background information on putting up fence? is it approiate using "THey or It is said? I just

    asked by Kelly on October 31, 2010
  94. Math

    Erica has scores:131, 120, and 140, each out of 150 points, on her algebra tests. Use an inequality to find the score she must make on the final exam to pass the course with an average of 80 percent or higher, given that the final is worth 200 points.

    asked by Julian on September 11, 2013
  95. English

    Can you please check these sentences for me? Many thanks. 1) At the moment I don't know at what time I will be arriving in Berlin on Friday 13 August. 2)I believe I will be able to have conversation classes with you from Monday to Friday. (I may do two

    asked by Franco on July 26, 2010
  96. Statistics

    The grades in the final exam of a random sample of 25 students produce a standard deviation, s = 9.5. a) Construct a 90% confidence interval estimate for the population variance, . b) Can we infer at 10% level of significance that the population variance

    asked by Kendra on November 25, 2014
  97. clarinet music

    I will be doing my clarinet practice exam grade 4 LCM next May and I am going to play "Pastoral" from the book "Four short pieces" by Howard Ferguson. I am trying to find this mp3 so as to feel more comfotable playing it with the piano. Can anyone send me

    asked by Claire on September 5, 2007
  98. Physics

    A dumbbell consists of two equal compact masses of 2 kg each, connected by a massless rod of length 0.8 metres. What is the moment of inertia of the dumbbell about an axis through the centre of, but perpendicular to, the rod? could someone just tell me how

    asked by Tim on July 29, 2010
  99. math

    What would the unit rates be for a store that had 30 customers in 12 minutes?

    asked by Anonymous on May 2, 2012
  100. ratio

    24 people in 6 cars, find the unit rate?

    asked by alex on November 15, 2011