Assuming normality, find a 95% confidence interval for the variance from the sample 145.3, 145.1, 145.4, 146.2.

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Advanced Engineering Mathematics

ISBN: 978-0470458365

10th edition

Authors: Erwin Kreyszig

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Question Posted: Dec 26, 2018 07:49 AM

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Assuming normality, find a 95% confidence interval for the variance from the sample 145.3, 145.1, 145.4, 146.2.

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n 1 3 degrees of freedom Fc 1 0025 c 1 0022 Fc 2 0975 c 2 935 from Table A10 hence k 1 07022 318 k 2 07935 007 Table A10 Values of x for given values ...View the full answer

Advanced Engineering Mathematics

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