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Perform the Following Hypothesis Tests (α = 0.05 in each case) Data Summary: x = 22;...

Perform the Following Hypothesis Tests (α = 0.05 in each case)
Data Summary: x = 22; s = 3, n = 36
(a) H0 : μ = 20; Ha : μ 6= 20
(b) H0 : σ

2 = 16; Ha : σ
2 < 16.

(c) What assumptions are you making about your population (sampling distribution)?

math   Statistics-And-Probability   
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