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Calculate the appropriate test statistic.

Calculate the appropriate test statistic.

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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Calculate the appropriate test statistic.

A city is concerned that cars are not obeying school zones by speeding th rough them, putting children at greater risk of injury. The speed limit in school zones is 15 miles per hour. Throughout the course of one day, a police officer hides his car on a side street that intersects the middle of the school zone and records the speed of each car that passes through. The 36 cars that he recorded had an average speed of 16.33 mph with a sample standard deviation of 2.54 mph. area=.05 area=.025 area=.01 area=,005 t-tail probabilities (df=35) -2.44 -2.72 -2.03 -1.69 area=.05 +1.69 area=.025 +2.03 area=.01 +2.44 area=.005 t for sample size n=36 +2.72 (df=35)
Transcribed Image Text:A city is concerned that cars are not obeying school zones by speeding th rough them, putting children at greater risk of injury. The speed limit in school zones is 15 miles per hour. Throughout the course of one day, a police officer hides his car on a side street that intersects the middle of the school zone and records the speed of each car that passes through. The 36 cars that he recorded had an average speed of 16.33 mph with a sample standard deviation of 2.54 mph. area=.05 area=.025 area=.01 area=,005 t-tail probabilities (df=35) -2.44 -2.72 -2.03 -1.69 area=.05 +1.69 area=.025 +2.03 area=.01 +2.44 area=.005 t for sample size n=36 +2.72 (df=35)
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