Lester Hollar is vice president for human resources for a large manufacturing company. In recent years, he has noticed a

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Lester Hollar is vice president for human resources for a largemanufacturing company. In recent years, he has noticed an increasein absenteeism that he thinks is related to the general health ofthe employees. Four years ago, in an attempt to improve thesituation, he began a fitness program in which employees exerciseduring their lunch hour. To evaluate the program, he selected arandom sample of eight participants and found the number of dayseach was absent in the 6 months before the exercise program beganand in the 6 months following the exercise program. Following arethe results.
Click here for the Excel Data FileAt the 0.050 significance level, can he conclude that the number ofabsences has declined?a. What are the null and alternatehypotheses?
multiple choice 1
H0: μBefore − μAfter = μd ≤0 H1: μd >0
H0: μBefore − μAfter = μd ≤0 H1: μd <0
H0: μBefore − μAfter = μd ≥0 H1: μd >0
b. Compute the teststatistic. (Round your answer to 3 decimalplaces.)
c. Computethe p-value. (Round your answer to 4decimal places.)
d. What is your decision regarding the nullhypothesis?
multiple choice 2
Reject H0
Do not reject H0
e. Interpret the result.
fail to find
found