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our company wants to improve sales. Past sales data dicate that the average sale was $200 per transaction. fter training your sales force, recent sales data (taken from sample of 9 sales reps) indicates an average sale of $250, with a standard deviation of s = $36. Did the training work? ou will conduct a one sample t-test with alpha = 0.01, one ailed, to determine whether the average sale significantly creased from $200 (that is, Ho is that the sales do not differ gnificantly from $200, and H₁ is that ney significantly increased).

our company wants to improve sales. Past sales data dicate that the average sale was $200 per transaction. fter training your sales force, recent sales data (taken from sample of 9 sales reps) indicates an average sale of $250, with a standard deviation of s = $36. Did the training work? ou will conduct a one sample t-test with alpha = 0.01, one ailed, to determine whether the average sale significantly creased from $200 (that is, Ho is that the sales do not differ gnificantly from $200, and H₁ is that ney significantly increased).

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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what is the critical t-stat for this test (alpha 0.01, one-tailed)?

Your company wants to improve sales. Past sales data indicate that the average sale was $200 per transaction. After training your sales force, recent sales data (taken from a sample of 9 sales reps) indicates an average sale of $250, with a standard deviation of s = $36. Did the training work? You will conduct a one sample t-test with alpha = 0.01, one tailed, to determine whether the average sale significantly increased from $200 (that is, Ho is that the sales do not differ significantly from $200, and H₁ is that they significantly increased).
Transcribed Image Text:Your company wants to improve sales. Past sales data indicate that the average sale was $200 per transaction. After training your sales force, recent sales data (taken from a sample of 9 sales reps) indicates an average sale of $250, with a standard deviation of s = $36. Did the training work? You will conduct a one sample t-test with alpha = 0.01, one tailed, to determine whether the average sale significantly increased from $200 (that is, Ho is that the sales do not differ significantly from $200, and H₁ is that they significantly increased).
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