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Author Question: Psychologists wish to evaluate the consistency of a standardized behavioral test. The test is ... (Read 68 times)

dusk108

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on: Feb 26, 2023
Psychologists wish to evaluate the consistency of a standardized behavioral test. The test is designed to have a variance of 225. Twenty randomly sampled tests yield a variance of 240. Assuming the underlying population is normal, test whether the actual population variance of this test appears to be significantly greater than its designed variance. State the critical value (CV), test statistic (TS), and conclusion from the test. (Useα= 0.01.)

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CV = 27.2036; TS = 20.267; fail to rejectH0


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CV = 36.1909; TS = 18.377; fail to rejectH0


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CV = 36.1909; TS = 20.267; fail to rejectH0


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CV = 27.2036; TS = 17.8125; rejectH0

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Marked as best answer by dusk108 on Feb 26, 2023

Jim457

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Reply #1 on: Feb 26, 2023
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dusk108

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Reply 2 on: Feb 26, 2023
Great answer, keep it coming :)

ricroger

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Reply 3 on: Yesterday
Wow, this really help

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