A consultant for a large company recommends an "employee athlete" program, encouraging every employee to devote 5 minutes an hour to physical activity. The evidence is shown in the results below. A small company, on hearing about the employee athlete program at the large company down the street, decides to try it as well. To measure the difference in productivity, they measure the average number of keystrokes per hour of 22 employees before and after the program is instituted. The data is shown to the right. Complete parts a through c.
Keystrokes per Hour After Before Mean SD N 1513.7 156.2 22 1542.4 130.7 22 Difference (After-Before) 28.7 123.5 22
a) Is there evidence to suggest that the program increases productivity at the small company? Perform a hypothesis test. What are the null and alternative hypotheses? OH! HOHAH=0 оно ва в 0, HA: a < 0 Ho Ho = 0, HA:H*0 O HO HO HA Hg = 0 O Hot Hd = 0, HAH o Ho Pa>0, HA HA = 0 Calculate the test statistic (Round to two decimal places as needed.) Calculate the P-value P-value=0 (Round to three decimal places as needed) What can you concludo? Assume a = 0.06. Choose the correct answer below. A Fall to reject Ho. There in insufficient evidence that the program increases productivity at the small company, O B. Roject Ho. There is insufficient evidence that the program increases productivity at the small company OC. Reject HoThere is sufficient evidence that the program increases productivity at the small company
We can you conte? 05. Choose the correct answer below A Falter There is not evdence that the program res productivity of the al company OHH This meant evidence that the programos product at the company Oc. There is an evidence program increase productivity that company O. Faltou. There is one progress productivity at the company Give concerned for the mean change in productivity by Keystrokesperto D od to decimal place) anuman and more of the company was recommandation would you make to the company who the efectiveness of the The concert O, Wowowe post 0.05 Wo reconsidered. Moreover, we have widence from the larger company that the program Addition, the confidence shows the high end of the increase in productivity a much un the low end of deed productivity. The company continue with the program given wton
A consultant for a large company recommends an "employee athlete" program, encouraging every employee to devote 5 minu
-
answerhappygod
- Site Admin
- Posts: 899604
- Joined: Mon Aug 02, 2021 8:13 am
A consultant for a large company recommends an "employee athlete" program, encouraging every employee to devote 5 minu
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!