A health coach tested the effectiveness of a new behavioral therapy for weight loss among college students. A sample of n = 36 college students participated in the study and each student participated in the study for 6 weeks. At the end of the study the mean difference was 5 pounds with a o = 12. State the null and alternative hypothesis What is the standard error (ƠM) for the above scenario? а. 10 b. 5 с. 2 d. Cannot determine What is the z-score for the above scenario? a. 1.50 b. +1.50 с. -2.50 d. +2.50

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A: Givensample size(n)=239Mean(x)=3.3standard deviation(s)=2.6confidence interval = 90%

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A: GivenMean(μ)=125standard deviation(σ)=25

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A: We have given that,  Lemon imports (X) :- 231, 263, 353, 480, 513 Fatality rate (Y)       :- 16, 15....

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A: Given: Random variable representing the height of the students.

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A: Given,mean(μ)=3.5standard deviation(σ)=0.75

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A: Given  X~Bin(n=6,p=0.29)

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A: Given data: 62,82,79,76,73,70,67,64,61,72,72,72,69,69,69 Total = 15

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Q: Use these data to calculate the 95% confidence interval for the relative risk

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A: Here Given  Sample size=n= 64 sample mean=$ 256.45=x¯ Sample standard deviation = $ 72.5=s  

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A: We have given that the statement about to the correlation coefficient ’r’ developed by Karl Pearson.

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Q: A psychologist is interested in constructing a 99% confidence interval for the proportion of people ...

A: Givenx=73n=831p^=xn=73831=0.0878confidence level = 99%

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A: Given data,Mean μ=268sd    σ=9

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A: Givenn=54Mean(x)=29.5standard deviation(s)=4.4

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A: Solution : Value x of X Probability -3 0.27 3 0.27 4 0.30 5 0.19 6 0.26 Explanation:...

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Q: A company claims that the mean monthly residential electricity consumption in a certain region is mo...

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A: Data given  −1200, −980, −870, −525, −371, −108, 0, 15, 210, 453, 700, 1120 P15=? 

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Q: Air-USA has a policy of booking as many as 20 persons on an airplane that can seat only 19. (Past st...

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