The following data give the speeds (in miles per hour), as measured by radar, of 10 cars

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The following data give the speeds (in miles per hour), as measured by radar, of 10 cars traveling on Interstate I-15:

Assuming that the speeds of all cars traveling on this highway have a normal distribution, construct a 90% confidence interval for the mean speed of all cars traveling on this highway.

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Introductory Statistics

ISBN: 9780470904107

8th Edition

Authors: Prem S. Mann

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Question Posted: Aug 25, 2015 08:11 AM

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The following data give the speeds (in miles per hour), as measured by radar, of 10 cars

Question:

76 72 80 68 76 74 7788265

Step by Step Answer:

n 10 x 742 and x 2 55310 xn 74210 7420 mph s x 2 x 2 n...View the full answer

Introductory Statistics

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