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The Following Data Present the Number of Computer Units Sold

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The following data present the number of computer units sold per day by a sample of 6 salespersons before and after a bonus plan was implemented. The following data present the number of computer units sold per day by a sample of 6 salespersons before and after a bonus plan was implemented.   ​ Using a .05 level of significance, test to see if the bonus plan was effective.That is, did the bonus plan actually increase sales? ​Assume the population of differences is normally distributed.Let d = After - Before.
Using a .05 level of significance, test to see if the bonus plan was effective.That is, did the bonus plan actually increase sales? ​Assume the population of differences is normally distributed.Let d = After - Before.

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H0: μd ≤ 0
Ha: μd > 0
t = 0; p...

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