A lumber mill is tested for consistency by measuring the variance of board thickness. The target accuracy is a variance of XXXXXXXXXXsquare inches . If 22 measurements are made and their variance is...



A lumber mill is tested for consistency by measuring thevariance of board thickness.  The target accuracy is avariance of 0.0015 square inches .  If 22 measurements are made and theirvariance is 0.005 square inches, is there enough evidence to reject the claim that thevariance 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.




Jun 03, 2022
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