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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

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 (Ho:)?
  2. What is the Alternative Hypothesis (Ha:)?
  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 Ho?

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