The SAT subject tests in chemistry and physics for two groups of 15 students each electing to

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The SAT subject tests in chemistry and physics for two groups of 15 students each electing to take these tests are given below.

To use the two-sample t-test with a pooled estimate of Ïƒ2, you must assume that the two population variances are equal. Test this assumption using the F-test for equality of variances. What is the approximate p-value for the test?

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Introduction To Probability And Statistics

ISBN: 9781133103752

14th Edition

Authors: William Mendenhall, Robert Beaver, Barbara Beaver

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Question Posted: Apr 15, 2016 07:27 AM

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The SAT subject tests in chemistry and physics for two groups of 15 students each electing to

Question:

Chemistry -= 644 s = 114 Physics x = 658 s= 103 = 15

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The hypothesis of interest is H 0 2 1 2 2 versus H a 2 1 2 2 and the test stat...View the full answer

Introduction To Probability And Statistics

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