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Fowle Marketing Research bases charges to a client on the assumption that telephone surveys can be completed in an average time of 15 minutes or less. If a longer time is necessary, a premium rate is charged. A sample of 35 survey times was taken and the data is in the dataset Fowle.xls, which is in the "Some Datasets" folder on the course D2L site. From past studies, Fowle assumes the population standard deviation of survey times is known and is equal to 4 minutes. Which of the following is the null hypothesis for a test of the assumption that the company makes in setting its rates? (Highlight or circle the correct answer.) A. H.: X <15 B. H :μ 215 Is this a z-test or a t-test? Based on the rejection region, this is a C. H:μSIS -test D. H₂:μ=15 E. H.: ≤15 -tailed test. (Enter "right", "left", or "two".) F. H: 15

Fowle Marketing Research bases charges to a client on the assumption that telephone surveys can be completed in an average time of 15 minutes or less. If a longer time is necessary, a premium rate is charged. A sample of 35 survey times was taken and the data is in the dataset Fowle.xls, which is in the "Some Datasets" folder on the course D2L site. From past studies, Fowle assumes the population standard deviation of survey times is known and is equal to 4 minutes. Which of the following is the null hypothesis for a test of the assumption that the company makes in setting its rates? (Highlight or circle the correct answer.) A. H.: X <15 B. H :μ 215 Is this a z-test or a t-test? Based on the rejection region, this is a C. H:μSIS -test D. H₂:μ=15 E. H.: ≤15 -tailed test. (Enter "right", "left", or "two".) F. H: 15

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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Fowle Marketing Research bases charges to a client on the assumption that telephone surveys can be completed in an average time of 15 minutes or less. If a longer time is necessary, a premium rate is charged. A sample of 35 survey times was taken and the data is in the dataset Fowle.xls, which is in the "Some Datasets" folder on the course D2L site. From past studies, Fowle assumes the population standard deviation of survey times is known and is equal to 4 minutes. Which of the following is the null hypothesis for a test of the assumption that the company makes in setting its rates? (Highlight or circle the correct answer.) A. H.: X <15 B. H: 215 C. H₂:μs15 D. H, :u=15 E. H:SI5 Is this a z-test or a t-test? Based on the rejection region, this is a For alpha = .01, the rejection region is defined by the critical value(s) which comes from the ("normal" or "t") distribution. The value of the test statistic is What is the p-value for this test? Conclusion: The sample data provides evidence to -test -tailed test. (Enter "right", "left", or "two".) F. H.:** 15 (Enter out to 4 decimal places.), (Enter the value out to 4 decimal places.) (Enter the value out to 4 decimal places.) I ("support" or "reject") the null.
Transcribed Image Text:Fowle Marketing Research bases charges to a client on the assumption that telephone surveys can be completed in an average time of 15 minutes or less. If a longer time is necessary, a premium rate is charged. A sample of 35 survey times was taken and the data is in the dataset Fowle.xls, which is in the "Some Datasets" folder on the course D2L site. From past studies, Fowle assumes the population standard deviation of survey times is known and is equal to 4 minutes. Which of the following is the null hypothesis for a test of the assumption that the company makes in setting its rates? (Highlight or circle the correct answer.) A. H.: X <15 B. H: 215 C. H₂:μs15 D. H, :u=15 E. H:SI5 Is this a z-test or a t-test? Based on the rejection region, this is a For alpha = .01, the rejection region is defined by the critical value(s) which comes from the ("normal" or "t") distribution. The value of the test statistic is What is the p-value for this test? Conclusion: The sample data provides evidence to -test -tailed test. (Enter "right", "left", or "two".) F. H.:** 15 (Enter out to 4 decimal places.), (Enter the value out to 4 decimal places.) (Enter the value out to 4 decimal places.) I ("support" or "reject") the null.
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