# robbie

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

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:

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

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

5. ## 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

6. ## 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

7. ## math

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

8. ## 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

9. ## 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

10. ## 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

11. ## math

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

12. ## 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,

13. ## 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?

14. ## 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

15. ## 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

16. ## 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

17. ## 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,

18. ## 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

19. ## 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

20. ## 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

21. ## math

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

22. ## 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

23. ## math

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

24. ## 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

25. ## 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??

26. ## 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

27. ## 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

28. ## homework help

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

29. ## 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

30. ## 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?

31. ## 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

32. ## 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?

33. ## 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?

34. ## 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

35. ## math

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

36. ## algebra 1

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

37. ## 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-----.

38. ## 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?

39. ## 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

40. ## 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

41. ## 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.)

42. ## 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?

43. ## 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

44. ## 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

45. ## algebra 1

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

46. ## 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

47. ## algebra 1

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

48. ## 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

49. ## body organs

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

50. ## 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?

51. ## algebra 1

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

52. ## Physics

What is the roll-off rate of the filter described with R = 2.2k and C = 0.0015 picofarad?

53. ## algebra1

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

54. ## 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?

55. ## 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?

56. ## 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

57. ## 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?

58. ## 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

59. ## 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

60. ## pre algebra

Find the five-number summary of the following set of numbers14, 5, 13, 17, 6, 15, 6, 3, 11, 6?

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

62. ## 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

63. ## trig

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

64. ## 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

65. ## algebra 1a

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

66. ## algebra

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

67. ## 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.

68. ## 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

69. ## algebra

GRAPH .08.04.11

70. ## math

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

71. ## algebra 1

graph the equation by plotting points y= -3

72. ## English Complements

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

73. ## Math

There is a safe bond B which has 4 years before maturity and pays a coupon of 12% at regular annual intervals and a face value of \$100 at maturity. (a) What will be the current price of bond B?

74. ## math

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

76. ## 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

77. ## algebra 1

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

78. ## 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

79. ## 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

80. ## 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

Is the parallel loan a sort of swap? How does it work?

82. ## Math

Does randomization relate to real world data?

83. ## 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.

84. ## science

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

85. ## 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?

86. ## math

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

87. ## 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.

88. ## algebra 1

Hi Ms. Sue can you tell me how you got 2/10 in the equation that I submited a few min. ago the equation was, x + 7/10 = - 1/5

89. ## 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

90. ## 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

91. ## 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?

92. ## marketing

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

93. ## marketing

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

94. ## 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.

95. ## algebra

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

96. ## 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.

98. ## Algebra 2

If Graham runs up 6 steps of the escalator, then it takes him 46.5 seconds to reach the top of the escalator. If he runs up 13 steps of the escalator, then it takes him only 36.0 seconds to reach the top. How many seconds would it take Graham to reach the

99. ## math

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