Test H₀: μ = 100 vs μ ≠ 100 with x̄ = 105, s = 10, n = 25. t =

2.5 SE = 10/5 = 2; t = (105 − 100)/2 = 2.5.

Carrying Out a Test for a Population Mean

AP Statistics· difficulty 4/5

Test H₀: μ = 100 vs μ \neq 100 with x̄ = 105, s = 10, n = 25. t =

Explanation

SE = 10/5 = 2; t = (105 - 100)/2 = 2.5.

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