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

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A:

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Q: 28 A teacher wants to see if their students' favorite type of music is related to their favorite…

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Q: The value, in thousands of dollars, for houses on a block, are: 45; 47; 47.5; 51; 53.5; 125 1. The…

A:

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A: GIven:

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