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find they havé á mean age of 7.3 years and a standard deviation of 3.6 years. You al random select 18 faculty cars and find they have a mean age of 5.3 years and a standard deviation of 3.3 years. 1. Use a 0.01 significance level to test the claim that student cars are older than faculty cars. (a) The test statistic is (b) The P-value is (give to 4 decimal places): (c) Is there sufficient evidence to support the claim that student cars are older than faculty cars? OA. No B. Yes

find they havé á mean age of 7.3 years and a standard deviation of 3.6 years. You al random select 18 faculty cars and find they have a mean age of 5.3 years and a standard deviation of 3.3 years. 1. Use a 0.01 significance level to test the claim that student cars are older than faculty cars. (a) The test statistic is (b) The P-value is (give to 4 decimal places): (c) Is there sufficient evidence to support the claim that student cars are older than faculty cars? OA. No B. Yes

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
Section10.4: Distributions Of Data
Problem 19PFA
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You randomly select 14 student cars and find they have a mean age of 7.3 years and a standard deviation of 3.6 years. You also random select 18 faculty cars and find they have a mean age of 5.3 years and a standard deviation of 3.3 years. 1. Use a 0.01 significance level to test the claim that student cars are older than faculty cars. (a) The test statistic is (b) The P-value is (give to 4 decimal places): (c) Is there sufficient evidence to support the claim that student cars are older than faculty cars? A. No B. Yes 2. Construct a 99% confidence interval estimate of the difference µ, - Hr, where µ, is the mean age of student cars and uf is the mean age of faculty cars. (give answers to at least 3 decimal places) < (us - Hj) <
Transcribed Image Text:You randomly select 14 student cars and find they have a mean age of 7.3 years and a standard deviation of 3.6 years. You also random select 18 faculty cars and find they have a mean age of 5.3 years and a standard deviation of 3.3 years. 1. Use a 0.01 significance level to test the claim that student cars are older than faculty cars. (a) The test statistic is (b) The P-value is (give to 4 decimal places): (c) Is there sufficient evidence to support the claim that student cars are older than faculty cars? A. No B. Yes 2. Construct a 99% confidence interval estimate of the difference µ, - Hr, where µ, is the mean age of student cars and uf is the mean age of faculty cars. (give answers to at least 3 decimal places) < (us - Hj) <
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