In Exercise 59, is there enough evidence to reject the claim at the = 0.01 level?
Question:
In Exercise 59, is there enough evidence to reject the claim at the α = 0.01 level? Explain.
Data from Exercise 59;
A bolt manufacturer makes a type of bolt to be used in airtight containers. The manufacturer claims that the variance of the bolt widths is at most 0.01. A random sample of 28 bolts has a variance of 0.064. At α = 0.005, is there enough evidence to reject the claim?
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9780134683416
7th Edition
Authors: Ron Larson, Betsy Farber
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