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15. A sports eyewear company wants the average sale was $150 per transaction. After traini the company's sales team, recent sales data (taken from a sample of 20 salesmen) indicates an average sale of $180, with a standard deviati of $18. Did the training work? Conduct a hypothesis testing at a 5% alpha level. a) State the null hypothesis b) C) Determine the critical value (cv) Determine the degree of freedom

15. A sports eyewear company wants the average sale was $150 per transaction. After traini the company's sales team, recent sales data (taken from a sample of 20 salesmen) indicates an average sale of $180, with a standard deviati of $18. Did the training work? Conduct a hypothesis testing at a 5% alpha level. a) State the null hypothesis b) C) Determine the critical value (cv) Determine the degree of freedom

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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d) Indicate values on the bell curve Provide decision rule e) 9.02 1.645 15. A sports eyewear company wants to improve sales. Past sales data indicate that the average sale was $150 per transaction. After training the company's sales team, recent sales data (taken from a sample of 20 salesmen) indicates an average sale of $180, with a standard deviation of $18. Did the training work? Conduct a hypothesis testing at a 5% alpha level. State the null hypothesis Determine the critical value (cv) Determine the degree of freedom Indicate values on the bell curve d) a) b) c) d) e) Provide decision rule
Transcribed Image Text:d) Indicate values on the bell curve Provide decision rule e) 9.02 1.645 15. A sports eyewear company wants to improve sales. Past sales data indicate that the average sale was $150 per transaction. After training the company's sales team, recent sales data (taken from a sample of 20 salesmen) indicates an average sale of $180, with a standard deviation of $18. Did the training work? Conduct a hypothesis testing at a 5% alpha level. State the null hypothesis Determine the critical value (cv) Determine the degree of freedom Indicate values on the bell curve d) a) b) c) d) e) Provide decision rule
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