Mathematics, 05.05.2020 22:33 lasardia
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 5 2 5 4 3 7 2 4 6 3 5 4 2 6 5 6 7 7 2 8 6 71. At the 0.05 significance level, can he conclude that the number of absences has declined? Estimate the p-value.2. State the decision rule for 0.05 significance level.3. Compute the test statistic.4. The p-value is:.
a. between 0.05 and 0.1
b. between 0.005 and 0.01
c. less than 0.05
5. State your decision about the null hypothesis.
A. Do not reject H0
B. Reject H0
Answers: 2
Mathematics, 21.06.2019 15:30, allysongonzalezlove0
Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?
Answers: 1
Mathematics, 21.06.2019 17:00, eazywalters
There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?
Answers: 2
Lester Hollar is vice president for human resources for a large manufacturing company. In recent yea...
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