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.
   1. What is the Null Hypothesis (H_o:)?
   2. What is the Research Question or Alternative Hypothesis (H_a:)?
   3. Perform the t-Test and show the results (two sample assume equal variance).
   4. Is there a significant difference in the two departments' performance evaluation ratings? Explain.
   5. Do you reject or fail to reject the H_o?

Dept 1	Dept 2
3.15	3.2
3.1	3.25
2.95	3.1
3.2	3.6
3.4	2.9
3.12	2.8
3.6	3.1
2.5	3.5
2.8	3.4
2.75	2.8
2.1	2.7
3	3.7
3.2	3.2
3.5	3.5
3.8	3.2
3.2	2.8
3.4	2.15
3.2	2.9
2.6	3.16
2.8	3.14