A company was thinking about instituting a policy that allowed for no limits to the number of sick days that employees could take rather than limiting the number of paid sick days. The data are in the file "sick leave." Each column represents a different sample of employees during the trial period.

A)Explain why an alpha level of 0.05 is appropriate for the test (compared to, say, 0.01 or 0.001).

B) What are we doing by setting an alpha level? Explain it for the layperson.

C) Conduct the t-test at = 0.05, and report the results and conclusion. Provide in your statement the necessary statistics to support your answer.

DATA:

Limits	No Limits
35	23
21	12
26	6
24	15
17	18
23	5
37	21
22	18
16	34
38	10
23	23
41	14
27	19
24	23
32	8