5. Look at the data in Table 6.40 on page 318 of the textbook. These data are al

Question

 5.  Look at the data in Table 6.40 on page 318 of the textbook.  These data are also  given in the SAS code at the link "Bank Data Set" on the course web page.  (a) Use PROC GLM to test whether the mean number of days of sick leave differs across  bank branches.  Use alpha= 0.05, and justify your answer by referring to either a test statistic value  and table value, or by referring to a P-value.  (b) In particular, suppose the bank manager suspects the employees at branches 1 and 3 have  a different mean sick-leave count than those at branch 2.  Using an ESTIMATE statement,  perform a t-test to test for a difference between the mean number of sick days for the  first and third branches and the mean number of sick days for branch 2.  Use alpha = 0.05. 

 data banks; input branch leave; cards; 1 15 1 20 1 19 1 14 2 11 2 15 2 11 3 18 3 19 3 23 ; run; 

Explanation / Answer

I do not have SAS instaled in my system.

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