[Solution] Determine whether the hypothesis test involves a sampling distribution of means that is a normal distribution, Student t distribution or neither.


Question: Determine whether the hypothesis test involves a sampling distribution of means that is a normal distribution, Student t distribution or neither. The sample data appear to come from a normally distributed population with σ = 28. Explain.

Claim: μ = 977.

Sample data: n = 25, = 984, s = 25. Explain.

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