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Justin started working on the sales force of ECE Calls Inc. On average, she closes the contract if 108 USD in 16 sales calls with a standard deviation of 12 USD. Test that the population mean is at least 100 USD against the alternative that is less than 100 USD. The level of significance is 5%. However, in the ECE Calls Inc., it is required that they must exceed an average of 100 per contract during the probationary period. Can we conclude that Justin has met this requirement at 95% significance level? Write the value of the test statistic

Justin started working on the sales force of ECE Calls Inc. On average, she closes the contract if 108 USD in 16 sales calls with a standard deviation of 12 USD. Test that the population mean is at least 100 USD against the alternative that is less than 100 USD. The level of significance is 5%. However, in the ECE Calls Inc., it is required that they must exceed an average of 100 per contract during the probationary period. Can we conclude that Justin has met this requirement at 95% significance level? Write the value of the test statistic

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Justin started working on the sales force of ECE Calls Inc. On average, she closes the contract if 108 USD in 16 sales calls with a standard deviation of 12 USD. Test that the population mean is at least 100 USD against the alternative that is less than 100 USD. The level of significance is 5%. However, in the ECE Calls Inc., it is required that they must exceed an average of 100 per contract during the probationary period. Can we conclude that Justin has met this requirement at 95% significance level? Write the value of the test statistic.
Transcribed Image Text:Justin started working on the sales force of ECE Calls Inc. On average, she closes the contract if 108 USD in 16 sales calls with a standard deviation of 12 USD. Test that the population mean is at least 100 USD against the alternative that is less than 100 USD. The level of significance is 5%. However, in the ECE Calls Inc., it is required that they must exceed an average of 100 per contract during the probationary period. Can we conclude that Justin has met this requirement at 95% significance level? Write the value of the test statistic.
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