Find the z calc test statistic for each hypothesis test a x bar 423, 0 420, 6, n 9 b x bar 8330, 0 8,344, 48, n 36 c x bar 3 102, 0 3 110, 250, n 25

Question: Find the z calc test statistic for each hypothesis test. a. x-bar = 423, 0 = 420, = 6, n = 9 b. x-bar

Find the z calc test statistic for each hypothesis test.
a. x-bar = 423, μ0 = 420, σ = 6, n = 9
b. x-bar = 8330, μ0 = 8,344, σ = 48, n = 36
c. x-bar = 3.102, μ0 = 3.110, σ = .250, n = 25

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