A lumber mill is tested for consistency by measuring the variance of board thickness. The target accuracy is a variance of 0.0015 square inches . If 22 measurements are made and their variance is 0.005 square inches, is there enough evidence to reject the claim that the variance is 0.0015 square inches at = .01? Group of answer choices Yes, since the χ2 test value 233.33 is greater than the critical value 41.401. No, since the χ2 test value 15.28 is less than the critical value 38.932. Yes, since the χ2 test value 70.00 is greater than the critical value 41.401. Yes, since the χ2 test value 70.00 is greater than the critical value 38.932.
A lumber mill is tested for consistency by measuring the variance of board thickness. The target accuracy is a variance of 0.0015 square inches . If 22 measurements are made and their variance is 0.005 square inches, is there enough evidence to reject the claim that the variance is 0.0015 square inches at = .01? Group of answer choices Yes, since the χ2 test value 233.33 is greater than the critical value 41.401. No, since the χ2 test value 15.28 is less than the critical value 38.932. Yes, since the χ2 test value 70.00 is greater than the critical value 41.401. Yes, since the χ2 test value 70.00 is greater than the critical value 38.932.
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 13PPS
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A lumber mill is tested for consistency by measuring the variance of board thickness. The target accuracy is a variance of 0.0015 square inches . If 22 measurements are made and their variance is 0.005 square inches, is there enough evidence to reject the claim that the variance is 0.0015 square inches at = .01?
Group of answer choices
Yes, since the χ2 test value 233.33 is greater than the critical value 41.401.
No, since the χ2 test value 15.28 is less than the critical value 38.932.
Yes, since the χ2 test value 70.00 is greater than the critical value 41.401.
Yes, since the χ2 test value 70.00 is greater than the critical value 38.932.
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