Question

A large company that produces allergy medications claims that Americans lose an average of 40 hours of work to problems related to seasonal allergies. A consumer advocacy group believes that this claim is actually just “hype” (exaggeration) intended to sell more medication. The advocacy group would like to obtain statistical evidence about this issue and takes a random sample of 100 American workers. They find that these 100 people lost an average of 38 hours with a standard deviation of 8.6 hours.

Derive the test statistic (t score) for this hypothesis testing problem to TWO decimals.

Answer 1

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