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## Statistics

Hypothesis testing for dependent samples using Paired t test.

A group of 20 sales associates agree to go during a week-long sales class to improve their productivity.  The amount of their sales is computed for one month before and one month after the training course. Run the paired t-test to find out if:

Is there evidence to propose that the training course helps out sales people?

Must we send the rest of our sales associates to the course?

 Sales # Before After 1 \$ 33,766.65 \$ 37,483.57 2 \$ 52,827.74 \$ 37,871.17 3 \$ 26,654.23 \$ 22,036.40 4 \$ 21,758.96 \$ 28,712.85 5 \$ 42,708.70 \$ 33,083.67 6 \$ 38,123.38 \$ 25,527.58 7 \$ 18,064.69 \$ 25,912.90 8 \$ 21,891.92 \$ 25,658.53 9 \$ 44,578.95 \$ 33,012.29 10 \$ 38,907.00 \$ 51,140.65 11 \$ 34,452.24 \$ 26,601.97 12 \$ 40,607.04 \$ 41,688.33 13 \$ 10,049.96 \$ 48,257.45 14 \$ 4,678.23 \$ 5,017.87 15 \$ 26,160.92 \$ 24,297.28 16 \$ 27,392.57 \$ 39,360.24 17 \$ 44,098.47 \$ 57,434.46 18 \$ 65,263.37 \$ 52,551.86 19 \$ 29,605.20 \$ 24,895.86 20 \$ 5,133.71 \$ 10,617.06

Statistics and Probability, Statistics

• Category:- Statistics and Probability
• Reference No.:- M920088

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