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How much noisier are streets where cars travel faster? An article reports noise levels in decibels and average speed kilometers per hour for a sample of roads. The following table presents the results. Speed 28.26 Noise 78.1 36.22 79.6 38.73 81.0 29.07 78.7 30.28 78.6 30.25 78.2 29.03 33.17 78.4 79.6 Find a 95% prediction interval for the mean noise level for streets whose average speed is 30 kilometers per hour. (Round the final answers to three decimal places.) The 95% prediction interval for the mean is (

How much noisier are streets where cars travel faster? An article reports noise levels in decibels and average speed kilometers per hour for a sample of roads. The following table presents the results. Speed 28.26 Noise 78.1 36.22 79.6 38.73 81.0 29.07 78.7 30.28 78.6 30.25 78.2 29.03 33.17 78.4 79.6 Find a 95% prediction interval for the mean noise level for streets whose average speed is 30 kilometers per hour. (Round the final answers to three decimal places.) The 95% prediction interval for the mean is (

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 18HP
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How much noisier are streets where cars travel faster? An article reports noise levels in decibels and average speed in kilometers per hour for a sample of roads. The following table presents the results. Speed 28.26 Noise 78.1 36.22 79.6 38.73 81.0 29.07 78.7 30.28 78.6 30.25 78.2 29.03 33.17 78.4 79.6 Find a 95% prediction interval for the mean noise level for streets whose average speed is 30 kilometers per hour. (Round the final answers to three decimal places.) The 95% prediction interval for the mean is (
Transcribed Image Text:How much noisier are streets where cars travel faster? An article reports noise levels in decibels and average speed in kilometers per hour for a sample of roads. The following table presents the results. Speed 28.26 Noise 78.1 36.22 79.6 38.73 81.0 29.07 78.7 30.28 78.6 30.25 78.2 29.03 33.17 78.4 79.6 Find a 95% prediction interval for the mean noise level for streets whose average speed is 30 kilometers per hour. (Round the final answers to three decimal places.) The 95% prediction interval for the mean is (
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