You are an analyst for the Texas Department of Criminal Justice - Institutional

Question

You are an analyst for the Texas Department of Criminal Justice - Institutional Division (i.e. the Texas Prison System). A few days ago the Associate Warden in charge of security at your facility came to you with a problem. He is comparing the total sick leave hours taken by Correctional Officers in each of the three shifts. Because all three shifts have about the same number of Correctional Officers it is not necessary to convert this raw average to a rate of sick leave taken per officer.

So, you have the sick leave hours taken for each officer and you know which shift each officer is assigned to. Of the statistical models we covered in this learning module (Chi-Square, t-test, ANOVA aka F-ratio) which would be the most appropriate for this analysis?

Explanation / Answer

Correct option:

ANOVA.

EXPLANATION:

Here, Comparison of total sick leave hours taken by Correctional officres in each of the 3 shifts is be done.

Analysis of Variances (ANOVA) is a technique used to test the equalty of means, when more than two populations are considered. Here, 3 shifts officres' sick leaves are to be compared. So, only ANOVA is the appropriate module most approprte for thi analysis.

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