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To test whether there is significant mean difference between two groups using independent sample t test.

The managers in a company's East and West region were rated on the basis of the company's evaluation system. A researcher wishes to conduct a t-test of means to determine if there is a difference between the East and West regions. Perform the calculation.

Region	Manager	Rating	Region	Manager	Rating
West	1	74	East	1	81
West	2	88	East	2	63
West	3	78	East	3	56
West	4	85	East	4	68
West	5	100	East	5	80
West	6	114	East	6	79
West	7	98	East	7	69

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9165291

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