Question

when 30 bolts are tested for hardness, their indexes have a standard deviation of 3.9. Test the claim that the standard deviation of the hardness indexes for all such bolts is 6.1. use a 0.01 level of significance.

Answer 1

Answer:

nebraskan Vulunnter na bumaril sa tatlong piliponong sundalo na siyang naging hudyat ng digmaan

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