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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.

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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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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