Question: When observing hours discrepancy in the workplace, we analyze 32 workers. We noticed the sample mean was found to be 42.1 hours a week, with

  1. When observing hours discrepancy in the workplace, we analyze 32 workers. We noticed the sample mean was found to be 42.1 hours a week, with a standard deviation of 10.4. Test the claim that the standard deviation was at least 13 hours.

The hypotheses are:

H0:=13

Ha:<13

We shall choose =0.05

Will you accept or reject the hypotheses?

PLEASE EXPLAIN IN DETAILS

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