A study investigated the relationship of employment status to mental health. A sample of 49 unemployed men took a mental health examination measuring present mental health with lower values indicating better mental health. Their mean score was 11.50 and a standard deviation of 3. Assume that scores are normally distributed.
-The appropriate test statistic to test the hypotheses is _____.
A)2.97
B)-2.97
C)2.68
D)3.50
E)-3.50

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The Answer of A study investigated the relationship of employment status to mental health. A sample of 49 unemployed men took a mental health examination measuring present mental health with lower values indicating better mental health. Their mean score was 11.50 and a standard deviation of 3. Assume that scores are normally distributed.
-The appropriate test statistic to test the hypotheses is _____.
A)2.97
B)-2.97
C)2.68
D)3.50
E)-3.50

A Study Investigated the Relationship of Employment Status to Mental