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An auto magazine wants to compare the battery range of two highly completive cars. As cars are expensive, each manufacturer gives them 10 cars to test. The first manufacturer has an average battery range of 408 miles with a standard deviation of 10 miles. The second manufacturer has a range of 398 miles with a standard deviation of 40 miles. At the 5% significance level, determine if the first manufacturer has a better battery range than the second. Take the first manufacturer as population 1.

An auto magazine wants to compare the battery range of two highly completive cars. As cars are expensive, each manufacturer gives them 10 cars to test. The first manufacturer has an average battery range of 408 miles with a standard deviation of 10 miles. The second manufacturer has a range of 398 miles with a standard deviation of 40 miles. At the 5% significance level, determine if the first manufacturer has a better battery range than the second. Take the first manufacturer as population 1.

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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Question 8: give the conclusion.
Give the conclusion. Reject the null since the test statistic is in the rejection region. Fail to reject the null since the test statistic is not in the
Transcribed Image Text:Give the conclusion. Reject the null since the test statistic is in the rejection region. Fail to reject the null since the test statistic is not in the
An auto magazine wants to compare the battery range of two highly completive cars. As cars are expensive, each manufacturer gives them 10 cars to test. The first manufacturer has an average battery range of 408 miles with a standard deviation of 10 miles. The second manufacturer has a range of 398 miles with a standard deviation of 40 miles. At the 5% significance level, determine if the first manufacturer has a better battery range than the second. Take the first manufacturer as population 1.
Transcribed Image Text:An auto magazine wants to compare the battery range of two highly completive cars. As cars are expensive, each manufacturer gives them 10 cars to test. The first manufacturer has an average battery range of 408 miles with a standard deviation of 10 miles. The second manufacturer has a range of 398 miles with a standard deviation of 40 miles. At the 5% significance level, determine if the first manufacturer has a better battery range than the second. Take the first manufacturer as population 1.
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