9.47 At the 5% significance level, test the hypotheses H0 : s2 20 H1 : s2

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9.47 At the 5% significance level, test the hypotheses H0 : s2 … 20 H1 : s2 7 20 using the following results from the following random samples.

a. s2 = 32; n = 15

c. s = 5; n = 30

b. s2 = 48; n = 28

d. s = 10; n = 19 Application Exercises

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Essential Mathematics And Statistics For Science

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Authors: Graham Currell, Dr. Antony Dowman

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Question Posted: Sep 21, 2024 02:03 PM

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9.47 At the 5% significance level, test the hypotheses H0 : s2 20 H1 : s2

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