Case S. Use the info given below to answer the four questions tha oseweight over

Question

Case S. Use the info given below to answer the four questions tha oseweight over a pe earticipants and have the following results. Answer weight? Fitness claims their new summer training course could help people l questions for testing the belief that this training regime reduces participants' mean that this training regs an he the following results. Answe hed 180.9561 159.6541 1004.1667 1123.5417 Observations Pearson Correlation Hypothesized Mean Difference df t Stat 3.7845 P(To-t) one-tail t Critical one-tail PT-t) two-tail tail XXxx 22. What is the alternative hypothesis? A. Ha: ?.> O 23. Using the dependent samples approach, which of the following is the critical (table) test statistic at the 0.01 significance level? A, 1.420 B.1.472 C.2.505 D' 2.762 E-3.365 24. Using the dependent samples approach, which of the following is the calculated test statistic at the 0.01 significance level? A. 0.809 B. 1.305 C. 1.859 D. 2.673 E. 3.7845 25. Which of the following ranges best represents the p-value for testing the belief at the 0.01 significance level? A. p>0.1 B. 0.05

Explanation / Answer

Solution22:

H0:mu1=mu2 mu1-mu2=0

H1:mu1-mu2 >0 ----->mu1>mu2

OPTIONC

Solution23:

df=5

alpha=0.01

t crit=3.365

OPTION E

Solution24:

calculated t stat

=t=3.7845

OPTION E

Solution25:

t=3.7845

df=5

alpha=0.01

p=0.0064

SELECT OPTION B

0.05<P<0.1

p=

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