1.An HR Director wants to know if there is a difference between Dept 1 and Dept 2 in their employee performance evaluation ratings.The performance evaluation scores for the two departments are below.Perform a t-Test on the data to answer the Director's question.

a.What is the Null Hypothesis (H_o:)?

b.What is the Research Question or Alternative Hypothesis (H_a:)?

c.Perform the t-Test and show the results (two sample assume equal variance).

d.Is there a significant difference in the two departments' performance evaluation ratings? Explain.

e.Do you reject or fail to reject the H_o?

A B D E F 1 Dept 1 Dept 2 Dept A Dept B 2 3.15 3.2 3.1 3.1 3.1 3.25 3.6 3.1 4 2.95 3.1 3.2 3.2 5 3.2 3.6 3.5 3.4 6 3.4 2.9 3.1 3.2 7 3.12 2.8 2.9 3.3 8 3.6 3.1 3.5 3.1 9 2.5 3.5 3.6 2.9 10 2.8 3.4 3.7 3.1 11 2.75 2.8 3.5 3.6 12 2.1 2.7 2.9 3.2 13 3 3.7 3.2 3.3 14 3.2 3.2 3.6 3.4 15 3.5 3.5 3.5 3.3 16 3.8 3.2 3.4 3.1 17 3.2 2.8 2.9 2.8 18 3.4 2.15 3.4 2.9 19 3.2 2.9 3.3 3.1 20 2.6 3.16 3.5 3.2 21 2.8 3.14 3.4 3.1 22