Use the reading comprehension data in Exercise 6.18 to test the null hypothesis that the population mean
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Use the reading comprehension data in Exercise 6.18 to test the null hypothesis that the population mean of X is 0.
a. What is the two-sided P value?
b. Does the average value of X seem substantially different from 0?
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Related Book For
Essential Statistics Regression And Econometrics
ISBN: 9780123822215
1st Edition
Authors: Gary Smith
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