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Module 3 Homework Assignment
1. 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, 𝑥̅ = 984, s = 25. Explain.
Solution:
Part 1:
Since the data comes from a normally distributed
population and 𝛔 is known, the hypothesis test
involves a sampling distribution of means that is a
normal d...