A company tests its new novice product inspectors by comparing the variability i

Question

A company tests its new novice product inspectors by comparing the variability in the number of defective items spotted by its novice inspectors to the variability in the number of defective items spotted by its expert product inspectors. The company wants to determine whether there is a difference in the variability of the number of defective items spotted by its novice and expert product inspectors. Given the Excel result provided above, if the company uses the, 10 level of significance, the correct conclusion of this hypothesis test is:

Explanation / Answer

This is a two tailed test, since we just want to know of there is a "difference in the variability".

Hence, as P(one tail) = 0.0955, then P(two tail) = 2*0.0955 = 0.1910.

Hence, it is OPTION A. [ANSWER]

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