A sample of 77 individuals working at a particular

Reference no: EM13607023

A sample of 77 individuals working at a particular construction site office was selected at random. The noise level (dBA) experienced by each individual was determined. The site manager is curious if there is evidence that the average noise level experienced by the all workers is less than 70 dBA. Perform an analysis. Use a significance level of 0.05.

Reference no: EM13607023

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