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Lester Hollar is vice president for human resources for a large manufacturing company. In recent years, he has noticed an increase in absenteeism that he thinks is related to the general health of the employees. Four years ago, in an attempt to improve the situation, he began a fitness program in which employees exercise during their lunch hour. To evaluate the program, he selected a random sample of eight participants and found the number of days each was absent in the six months before the exercise program began and in the six months following the exercise program. Below are the results. Employee Before After 1 6 2 2 7 6 7 2 5 7 5 4 3 6 6 2 7 6 4 6 2 Click here for the Excel Data File At the 0.010 significance level, can he conclude that the number of absences has declined? Estimate the p-value. a. State the decision rule for 0.010 significance level. (Round your answer to 3 decimal places.) Reject HO if t> b. Compute the test statistic. (Round your answer to 3 decimal places.) The test statistic is

Lester Hollar is vice president for human resources for a large manufacturing company. In recent years, he has noticed an increase in absenteeism that he thinks is related to the general health of the employees. Four years ago, in an attempt to improve the situation, he began a fitness program in which employees exercise during their lunch hour. To evaluate the program, he selected a random sample of eight participants and found the number of days each was absent in the six months before the exercise program began and in the six months following the exercise program. Below are the results. Employee Before After 1 6 2 2 7 6 7 2 5 7 5 4 3 6 6 2 7 6 4 6 2 Click here for the Excel Data File At the 0.010 significance level, can he conclude that the number of absences has declined? Estimate the p-value. a. State the decision rule for 0.010 significance level. (Round your answer to 3 decimal places.) Reject HO if t> b. Compute the test statistic. (Round your answer to 3 decimal places.) The test statistic is

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Lester Hollar is vice president for human resources for a large manufacturing company. In recent years, he has noticed an increase in absenteeism that he thinks is related to the general health of the employees. Four years ago, in an attempt to improve the situation, he began a fitness program in which employees exercise during their lunch hour. To evaluate the program, he selected a random sample of eight participants and found the number of days each was absent in the six months before the exercise program began and in the six months following the exercise program. Below are the results. Employee Before After 1 6 2 2 7 6 7 2 5 7 5 4 3 6 6 2 7 6 4 6 2 Click here for the Excel Data File At the 0.010 significance level, can he conclude that the number of absences has declined? Estimate the p-value. a. State the decision rule for 0.010 significance level. (Round your answer to 3 decimal places.) Reject HO if t> b. Compute the test statistic. (Round your answer to 3 decimal places.) The test statistic is
Transcribed Image Text:Lester Hollar is vice president for human resources for a large manufacturing company. In recent years, he has noticed an increase in absenteeism that he thinks is related to the general health of the employees. Four years ago, in an attempt to improve the situation, he began a fitness program in which employees exercise during their lunch hour. To evaluate the program, he selected a random sample of eight participants and found the number of days each was absent in the six months before the exercise program began and in the six months following the exercise program. Below are the results. Employee Before After 1 6 2 2 7 6 7 2 5 7 5 4 3 6 6 2 7 6 4 6 2 Click here for the Excel Data File At the 0.010 significance level, can he conclude that the number of absences has declined? Estimate the p-value. a. State the decision rule for 0.010 significance level. (Round your answer to 3 decimal places.) Reject HO if t> b. Compute the test statistic. (Round your answer to 3 decimal places.) The test statistic is
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