Tests of product quality using human inspectors can lead to serious inspection e

Question

Tests of product quality using human inspectors can lead to serious inspection error problems. To evaluate the performance of inspectors in a new company, a quality manager sampled 12 novice and 12 expert inspectors to determine whether there is a difference in the variability of detecting defective products. To evauate the performance of inspectors in a new company, a quality OA The hypothesis test described is a one-tailed hypothesis test. OB. The hypothesis test described is a two-tailed hypothesis test.

Explanation / Answer

1)

Here we use two Tailed Test

H0: There is no variablity of detecting defective

H1: There is a varaibilty

Alpha:alpha=10%

Test statistic:

F=2.264

Conclusion:

P=0.1910 alpha=0.1

P> alpha we accept the null hypothesis.

ANSWER A IS CORRECT

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