Use the P-value method to perform the hypothesis test for the indicated exercise. Exercise 26 Data from
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Use the P-value method to perform the hypothesis test for the indicated exercise.
Exercise 26
Data from Exercise 26;
A school administrator claims that the standard deviation for grade 12 students on a vocabulary assessment test is greater than 45 points. A random sample of 25 grade 12 test scores has a standard deviation of 46 points. At α = 0.01, is there enough evidence to support the claim?
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Elementary Statistics Picturing The World
ISBN: 9780134683416
7th Edition
Authors: Ron Larson, Betsy Farber
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