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Get Full Access to Probability And Statistics For Engineering And The Sciences - 9 Edition - Chapter 9.2 - Problem 19
Get Full Access to Probability And Statistics For Engineering And The Sciences - 9 Edition - Chapter 9.2 - Problem 19

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Suppose m1 and m2 are true mean stopping distances at50 mph for cars of a certain type

ISBN: 9781305251809 122

Solution for problem 19 Chapter 9.2

Probability and Statistics for Engineering and the Sciences | 9th Edition

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Problem 19

Suppose m1 and m2 are true mean stopping distances at50 mph for cars of a certain type equipped with two different types of braking systems. Use the two-samplettest at significance level .01 to test H0: m1 2 m2 5 210versus Ha: m1 2 m2 , 210 for the following data:m 5 6, x 5 115.7, s1 5 5.03, n 5 6, y 5 129.3, ands2 5 5.38.

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