Student's t test
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For a sample of 12 items from a normally distributed population for which the standard deviation is σ= 17.0 the sample mean is 230.8. At the 0.05 level of significance, test H0:   220 versus H1:  > 220. Determine and interpret the p-value for the test.
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Solution Summary
Step by step method for testing the hypothesis under 5 step approach is discussed here. Excel template for each problem is also included. This template can be used to obtain the answers of similar problems.
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