11.55 Using a 0.10 level of significance, test the null hypothesis H0 : r = 0 versus...

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11.55 Using a 0.10 level of significance, test the null hypothesis H0 : r = 0 versus H1 : r ? 0 given the following.

a. A sample correlation of 0.46 for a random sample of size n = 25.

b. A sample correlation of 0.52 for a random sample of size n = 45.

c. A sample correlation of 0.16 for a random sample of size n = 40.

d. A sample correlation of 0.19 for a random sample of size n = 60.

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Essential Mathematics And Statistics For Science

ISBN: 9780470694480

2nd Edition

Authors: Graham Currell, Dr. Antony Dowman

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Question Posted: Sep 23, 2024 08:01 AM

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11.55 Using a 0.10 level of significance, test the null hypothesis H0 : r = 0 versus...

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Essential Mathematics And Statistics For Science

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