5. 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 a = 0.005, is there enough evidence to reject the claim?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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5. 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 a = 0.005, is there enough evidence to reject the claim?
TM
JTM
Transcribed Image Text:5. 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 a = 0.005, is there enough evidence to reject the claim? TM JTM
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