Robbie

Most popular questions and responses by Robbie
  1. statistics

    A researcher reports an F-ratio with df = 2, 36 from an independent-measures research study. Based on the df values, how many treatments were compared in the study and what was the total number of subjects participating in the study? a. 2 treatments and 37

    asked on November 14, 2012
  2. statistics

    A researcher used an analysis of variance to compare three treatment conditions with a separate sample of n = 8 participants in each treatment. The results of the analysis are shown in the following summary. Fill in all missing values in the table. (Hint:

    asked on November 15, 2012
  3. statistics

    An analysis of variances produce SSbetween = 30, SSwithin = 60, and an F-ratio with df = 2, 15. For this analysis, what is the F-ratio? a. 30/60 = 0.50 b. 60/30 = 2.00 c. 15/4 = 3.75 d. 4/15 = 0.27

    asked on November 14, 2012
  4. Statistics

    John drives to work each morning and the trip takes an average of μ = 38 minutes. The distribution of driving times is approximately normal with a standard deviation of σ = 5 minutes. For a randomly selected morning, what is the probability that John’s

    asked on October 14, 2012
  5. math

    Given a dilation with the origin O (0, 0), by observation determine the scale factor "K." DO, K = (5, 0) (10, 0) The dilation an expansion. true or false

    asked on July 21, 2011
  6. math

    Name the corresponding part if polygon WXYZ polygon PQRS. YZ =

    asked on August 1, 2011
  7. statistics

    What z-score values form the boundaries for the middle 60% of a normal distribution? a. z = +0.25 and z = –0.25 b. z = +0.39 and z = –0.39 c. z = +0.52 and z = –0.52 d. z = +0.84 and z = –0.84

    asked on October 14, 2012
  8. statistics

    A set of X and Y scores has Mx=4, SSx=10, MY=5, SSY=40, and SP=40. What is the regression equation for predicting Y from X? a, =0.25X-4 b, =4X+4 c, =X-6 d, =4X-11

    asked on October 26, 2012
  9. math

    Name the corresponding part if polygon WXYZ polygon PQRS. QP =

    asked on August 1, 2011
  10. statistics

    For an independent-measures ANOVA comparing three treatments with a sample of n = 5 in each treatment, what is the critical value for the F-ratio using α = .05? a. 3.88 b. 3.49 c. 3.74 d. 3.34

    asked on November 14, 2012
  11. Chemistry I

    25.0 mL of ethanol (density = 0.789 g/mL) initially at 4.2°C is mixed with 35.7 mL of water (density = 1.0 g/mL) initially at 25.3°C in an insulated beaker. Assuming that no heat is lost, what is the final temperature of the mixture?

    asked on September 15, 2010
  12. Statistics

    For the regression equation, Y=bX+a, which of the following X,Y points will be on the regression line? a, a,b b, b,a c, 0,a d, 0,b

    asked on October 26, 2012
  13. Statistics

    A set of X and Y scores has SSx=10, SSY=20, and SP=8, what is the slope for the regression equation? a. 8/10 b. 8/20 c. 10/8 d. 20/8 For the regression equation, Y=bX+a, which of the following X,Y points will be on the regression line? a. a,b b. b,a c. 0,

    asked on October 22, 2012
  14. statistics

    A vertical line is drawn through a normal distribution at z = 0.50, and separates the distribution into two sections. What proportion of the distribution is in the larger section? a. 0.6915 b. 0.3085 c. 0.1915 d. 0.3830

    asked on October 14, 2012
  15. Physics

    A spaceship of mass 2.0×106kg is cruising at a speed of 4.6×106m/s when the antimatter reactor fails, blowing the ship into three pieces. One section, having a mass of 5.2×105kg , is blown straight backward with a speed of 2.2×106m/s . A second piece,

    asked on December 7, 2014
  16. statistics

    An analysis of variance is used to evaluate the mean differences for a research study comparing three treatments with a separate sample of n = 6 in each treatment. If the data produce an F-ratio of F = 4.10, then which of the following is the correct

    asked on November 14, 2012
  17. Statistics

    A set of X and Y scores has SSx=10, SSY=20, and SP=8, what is the slope for the regression equation? a, 8/10 b, 8/20 c, 10/8 d, 20/8

    asked on October 26, 2012
  18. math

    If a translation maps point (3, 2) to (4, 5); or T : (3, 2) (4, 5), indicate the image for (2, 4).

    asked on July 20, 2011
  19. economics

    Gamma Corporation, one of the firms that retains you as a financial analyst, is considering buying out Beta Corporation, a small manufacturing firm that is now barely operating at a profit. You recommend the buyout because you believe that new management

    asked on November 6, 2010
  20. statistics

    A researcher uses an analysis of variance to test for mean differences among three treatment conditions using a sample of n = 8 participants in each treatment. What degrees of freedom (df) would the F-ratio from this analysis have? a. df = 23 b. df = 2, 23

    asked on November 15, 2012
  21. Math

    Midtown Antiques collects 4% sales tax on all sales. If total sales including tax are $1058.30, find the portion that is the tax. Round your answer to the nearest cent. A)$40.70 B)$42.33 C)$1017.60 D)$30.70 E) none of the above

    asked on January 31, 2010
  22. statistics

    For which of the following situations would a repeated-measures research design be appropriate? a. comparing mathematical skills for girls versus boys at age 10 b. comparing pain tolerance with and without acupuncture needles c. comparing self-esteem for

    asked on November 11, 2012
  23. statistics

    The alternative hypothesis for an independent-measures t test states ______. a. There is no mean difference between the two populations being compared. b. There is no mean difference between the two samples being compared. c. There is a non-zero mean

    asked on November 11, 2012
  24. algebra 1

    plz explain how to do this in detail: using only 39 cent and 24 cent stamps, charlie put $7.14 postage on a package he mailed to his sister. if he used twice as many 39 cent stamps as 42 cent stampsp, how many 24 cent stamps did he use??

    asked on March 29, 2011
  25. Physics, finding harmonics

    A tuning fork with a frequency of 440 Hz is held above a resonance tube that is partially filled with water. Assuming that the speed of sound in air is 342 m/s, for what three smallest heights of the air column will resonance occur? Where will the nodes

    asked on February 9, 2009
  26. statistics

    Under what circumstances can a very small treatment effect still be significant? a, if the sample size (n) is very large b, if the sample standard deviation is very large c, if the standard error of M is very large d, all of the other factors are likely to

    asked on November 7, 2012
  27. math

    For the transformation T, what is T-1? T : (x, y) (x + 4, y + 3) T-1: (x, y)

    asked on July 21, 2011
  28. homework help

    which temperature is colder? a) 50F b) 50C

    asked on September 26, 2012
  29. math

    A reflection maps the point (2, 3) to the point (-2, 3). It is a reflection over the

    asked on July 21, 2011
  30. 9th grade -physical science

    a the top of a hill a rollercoaster has 67,500j of kinetic energy and 290,000j of potential energy. gradually the roller coaster comes to a stop due to friction. if the roller coaster has 30,000j of potential energy when it stops, how much heat energy is

    asked on May 3, 2010
  31. statistics

    A researcher administered a treatment to a sample of participants selected from a population of 80. If the researcher obtains a sample mean of M=88. Which combination of factors is most likely to result in rejecting the null hypothesis? a, alpha level=0.01

    asked on November 9, 2012
  32. statistics

    For an experiment involving 2 levels of factor A and 4 levels of factor B with a sample of n = 5 in each treatment condition, what is the value for dfwithin?

    asked on November 23, 2012
  33. statistics

    A repeated-measures study uses a sample of n = 20 participants to evaluate the mean differences among three treatment conditions. In the analysis of variance for this study, what is the value for dfbetween treatments?

    asked on November 23, 2012
  34. algebra 1

    Determine which real number corresponds to the situation. The record low temperture for a date is 25.6 degrees below zero. The corresponding number for this sentence is-----.

    asked on December 4, 2010
  35. statistics

    A repeated-measures study uses a sample of n = 20 participants to evaluate the mean differences among three treatment conditions. In the analysis of variance for this study, what is the value for dfbetween treatments?

    asked on November 25, 2012
  36. Chemistry

    What is the maximum mass of the lower molar mass product that can be formed when 71.0 g of solid barium bromide and 44.5 g chlorine gas react?

    asked on April 10, 2011
  37. Math

    Pamela and David walk on the same track. It tqkes Pamela 9 minutes and David 6 minutes to walk one lap.If they start walking at the same time, how many laps will each have walked when they cross the starting point together for the first time?

    asked on October 28, 2009
  38. algebra 1

    use multiplying by 1 to find an expression equivalent to 11/14 with a denomenator of 56c the equivalent expression is-----

    asked on December 5, 2010
  39. Chemistry I

    When ice melts, it absorbs 0.33 kJ per gram. How much ice is required to cool a 24.0 fluid ounce drink from 75°F to 35°F, if the heat capacity of the drink is 4.18 J/g·°C? (Assume that the heat transfer is 100% efficient.)

    asked on September 15, 2010
  40. statistics

    An independent-measures study with n = 6 in each sample, produces a sample mean difference of 4 points and a pooled variance of 12. What is the value for the t statistic? a. 1 b. 2 c. 4/√2 d. 4/√8

    asked on November 10, 2012
  41. Chemistry I

    A block of aluminum with a volume of 96.6 cm3 absorbs 66.6 J of heat. If its initial temperature was 32.5 °C, what is its final temperature? (density of aluminum = 2.70 g/cm3

    asked on September 15, 2010
  42. Math

    he current term-structure of spot interest rates for safe zero-coupon bonds is as follows: Maturity, in years Interest rate(r) 1 8% 2 10% 3 11% 4 12% 5 13% There is a safe bond B which has 4 years before maturity and pays a coupon of 12% at regular annual

    asked on December 4, 2011
  43. math

    Given: l | | m m∠4 = 105° and m∠6 = 50°. m∠2 =

    asked on July 23, 2011
  44. algebra 1

    can you help with this one -7 - (-2)=

    asked on December 4, 2010
  45. statistics

    For an experiment involving 2 levels of factor A and 4 levels of factor B with a sample of n = 5 in each treatment condition, what is the value for dfwithin?

    asked on November 25, 2012
  46. algebra 1

    what is the solution for this equation -9/16 - 7/16 =

    asked on December 4, 2010
  47. 9th grade

    at the top of a hill a rollercoaster has 67,500j of kinectic energy and 290,000j of potential energy. gradually the rollercoaster comes to a stop due to friction. If the rollercoaster has 30,000j of potential energy when it stops, how much heat energy is

    asked on May 3, 2010
  48. english

    After the sentence, mark whether your item below contains a fragment (F) or a run-on (R-O). Then correct the error in your response. Exercise: The view was not what the travel agent had described. Where were the rolling hills and that shimmering rivers?

    asked on January 31, 2010
  49. statistics

    Which of the following is used to calculate the degrees of freedom for the A x B interaction? a. dfbet. treatments – dfA – dfB b. dfA – dfB c. dfwithin – (dfA + dfB) d. dfbet. treatments – dfwithin

    asked on November 23, 2012
  50. statistics

    An independent-measures study with n = 6 in each sample, produces a sample mean difference of 4 points and a pooled variance of 12. What is the value for the t statistic? a. 1 b. 2 c. 4/√2 d. 4/√8

    asked on November 11, 2012
  51. economics

    The current term-structure of spot interest rates for safe zero-coupon bonds is as follows: Maturity, in years Interest rate(r) 1 8% 2 10% 3 11% 4 12% 5 13% There is a safe bond B which has 4 years before maturity and pays a coupon of 12% at regular annual

    asked on December 4, 2011
  52. Math

    Term-structure of interest rates and Arbitrage The current term-structure of spot interest rates for safe zero-coupon bonds is as follows: Maturity, in years Interest rate (r) 1 8% 2 10% 3 11% 4 12% 5 13% There is a safe bond B which has 4 years before

    asked on December 3, 2011
  53. algebra 1

    I need someone to help me fiqure this equation out and then explain how you got the answer. x + 7/10 = -1/5

    asked on December 7, 2010
  54. algebra1

    can someone help me with the addition and multiplication principle with this equation. 2.4 + 22.0 > 55.0 - 8.6x

    asked on December 19, 2010
  55. body organs

    the bodys ongoing process of regulating the internal enviroment electrolyte balance blood chenistry temperature and so on is called

    asked on May 16, 2010
  56. statistics

    For an experiment involving 2 levels of factor A and 4 levels of factor B with a sample of n = 5 in each treatment condition, what is the value for dfwithin?

    asked on November 25, 2012
  57. algebra

    GRAPH .08.04.11

    asked on October 10, 2011
  58. math

    Two angles are complementary. One of the angles is twice the other. The larger angle has a measure of

    asked on July 23, 2011
  59. algebra 1A

    solve please on a line graph y-5>-18

    asked on February 4, 2011
  60. mat/116

    can someone help me in determining wether these numbers are a solutions of this inequality. y-11>2y-2 3,-16,-17,-1

    asked on January 29, 2011
  61. algebra 1

    can someone show me how to graph this x+4y=8

    asked on January 15, 2011
  62. algebra 1

    find the slope intercept equation of the line that has the given characteristics. slope 6.7 and y intercept (0,-7) Thanks.

    asked on January 15, 2011
  63. math

    can someone help explain how to do this? allen has nickels dimes and quarters in his pocket. the number of nickels is 1 more than twice the number of quarters. the number of dimes is 1 less than the number of quarters. if the value of change in his pocket

    asked on March 28, 2011
  64. algebra

    The equations are 6.5x + 8.3y + 7.1 = 0 and -7.2x + 3.4y - 6.6 = 0. Find the slope and x and y intercepts of each equation. For the first equation I got the x intercept as -10.92 and y intercept as -8.55 but I can't figure out the slope. For the second one

    asked on September 23, 2010
  65. human resources

    Submit a response recommendation analysis of 200-300 words of how large firms and small firms could utilize change management concepts to meet growing technology demands. Provide one example for a large company and one example for a small company of

    asked on April 14, 2010
  66. human resources

    In 1992, Deloitte & Touche, LLP, was celebrating the tenth year in which approximately 50 percent of its new hires were women. Because it takes nearly a decade to become a partner, the accounting firm based in Wilton, Connecticut, was now sitting back

    asked on April 13, 2010
  67. marketing

    What are some of the different stages a company goes through when developing its IMC strategy?

    asked on January 20, 2010
  68. marketing

    : You are working in the product development department of a company that creates household products. Your team has come up with an idea for a revolutionary new cleaning product. Using the seven phases of new product development as a guide, describe how

    asked on January 6, 2010
  69. elizabeth shelton

    jen and heather went to lunch. when the bill came , jen discovered that she had only $8. luckily heather had enough money to pay the other part, or 3/5 of the bill. how much did heather pay?

    asked on December 16, 2009
  70. Physics

    What is the upper tripper point (UTP) of a comparator with hysteresis if R1 = 47 kÙ, R2 = 68 kÙ and the maximum positive output voltage is 10V?

    asked on April 4, 2012
  71. math

    The team won 16 of its 28 games. What was the team’s won-lost ratio?

    asked on February 7, 2012
  72. English Complements

    The sea appearred calm in the morning. Identify the complements?

    asked on December 8, 2011
  73. math

    Two angles are complementary. One of the angles is twice the other. The larger angle has a measure of

    asked on July 23, 2011
  74. mat/117

    can someone please help me fiqure this out. factoring polynomials (C-5)-^2

    asked on February 19, 2011
  75. algebra 1a

    Help and explain please 9m+n=22 m-3n=18

    asked on January 30, 2011
  76. algebra 1a

    can someone help in solving this and use set builder notations to describe the solution Please 4(8-2x)+2x

    asked on January 30, 2011
  77. mat/116

    Thanks you guys for the past help, but I am stuck on this line graphing. So can someone help in solving and graphing this compound inequality. 9x+1>= -53 or 4x+3>= -9 what would the solution {xlx>...}be.

    asked on January 29, 2011
  78. mat/116

    can someone help in finding the ordered pair for this equation. 7x-9y=63 9y-7x=-63

    asked on January 29, 2011
  79. algebra1

    Find the domain of the function g(x)= 4/3-5x I am sorry this is a fraction

    asked on January 15, 2011
  80. algebra 1

    graph the equation by plotting points y= -3

    asked on January 15, 2011
  81. algebra

    can someone explain and answer this equation for me. 7y - 6 < 6y -1 Thanks

    asked on December 18, 2010
  82. algebra 1

    Hi Ms. Sue again, I hate to be a pest but how did you get the two in 2/10, I am really brain dead today.

    asked on December 7, 2010
  83. economics

    You are planning to estimate a short- run production function for your firm, and you have collected the following data on labor usage (L) and output (Q): Labor usage Output 3 1 7 2 9 3 11 5 17 8 17 10 20 15 24 18 26 22 28 21 30 23

    asked on November 6, 2010
  84. it/205

    o What is the difference between IT and information systems? Describe some functions of information systems.

    asked on April 15, 2010
  85. human resources

    In 1992, Deloitte & Touche, LLP, was celebrating the tenth year in which approximately 50 percent of its new hires were women. Because it takes nearly a decade to become a partner, the accounting firm based in Wilton, Connecticut, was now sitting back

    asked on April 13, 2010
  86. Principle of managment

    Imagine that you are Bill Gates, the founder of Microsoft, and that you are constantly engaged in environmental scanning as part of the planning process. Explain briefly how you would go about doing it. Can you keep track of all aspects of the environment?

    asked on March 1, 2010
  87. psy/103

    I am having a hard time defining biological, interactionist and pyscholsocial theories, it does not look like there is a simple answer to any of these. We have to use each of these theories to explain a motivation to be promoted.

    asked on August 16, 2009
  88. algebra

    Can you help me find the solutions of the equation x^2 + 30x=1000...help me solve it step by step..

    asked on May 27, 2009
  89. Science

    I have to show in a graph my results of the time that my charged balloons stuck to the door, refrigerator, table, cabinet, wall, ceiling, floor and window pane. Could I do this in a bar graph?

    asked on May 4, 2016
  90. Algebra II

    Question is Simplify 625^3/4. answer is 125. What isn't the answer +/-125?

    asked on January 12, 2016
  91. physics

    Suppose a roller-coaster car starts at a height of 39 m with a speed of 2.51 m/s. What will its speed be at height = 0m if the average force of friction is equal to 0.22 times its weight? The total distance traveled is 53m.

    asked on October 13, 2014
  92. Algebra1

    -3(x+3)=-3(x+1)-5 how to solve for x please help / the answer has to be 6,,,-6,,,all real numbers,,, or no solution .???????????????????????????????????????

    asked on September 15, 2014
  93. Math

    Does randomization relate to real world data?

    asked on September 7, 2014
  94. math

    solve and graph 4x+3y=6

    asked on March 18, 2013
  95. School

    There are 7 cupcakes for the party. Each cupcake has 1 candle for each year of the birthday boy's age. There is also an extra candle on each cupcake for good luck. If 49 candles were used on the cupcakes, how old is the birthday boy? Explain.

    asked on January 5, 2013
  96. science

    if a DNA virus infects a cell, why must it produce RNA?

    asked on December 2, 2012
  97. statistics

    A normal distribution has a mean of 36 and standard deviation of 4. What proportion of the distribution consisted of scores between x=34 and x=38? a, 0.6915 b, 2(0.3085)=0.6170 c, 0.1915 d, 2(0.1915)=0.3930

    asked on November 9, 2012
  98. statistics

    A normal distribution has a mean of 100 and standard deviation of 20. What is the probability of randomly selecting a score less than 130 from this distribution? a, p=0.9032 b, p=0.9332 c, p=0.0968 d, p=0.0668

    asked on November 7, 2012
  99. trig

    Solve for x please? x/x+3 - 1/x+2 = x/2x+4

    asked on October 28, 2012
  100. homework help

    which of the following are in the correct size order? a) nm, um, cm, mm, m b) m,um,cm, nm, mm c) um,nm,mm,cm,m d) nm,um,mm,cm,m e) none of the above

    asked on September 26, 2012

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