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?

2.Another organization wants to perform a similar analysis on Department A's and Department B's performance evaluation scores.

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?