Consider the following hypotheses: A sample of 25 observations yields a sample mean of 12. Assume that

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Consider the following hypotheses:

Ho: H 2 -10 Н и < -10

A sample of 25 observations yields a sample mean of −12. Assume that the sample is drawn from a normal population with a sample standard deviation of 4.

a. Calculate the value of the test statistic.

b. At the 5% significance level, is the population mean less than −10? Explain.

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Business Statistics Communicating With Numbers

ISBN: 9781259957611

3rd Edition

Authors: Sanjiv Jaggia

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Question Posted: May 06, 2019 05:21 AM

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Consider the following hypotheses: A sample of 25 observations yields a sample mean of 12. Assume that

Question:

Ho: H 2 -10 Н и < -10

Step by Step Answer:

H 0 10 H A 10 a b The pvalue PT 24 250 is betwee...View the full answer

Business Statistics Communicating With Numbers

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