Find the z calc test statistic for each hypothesis test a x bar 242, 0 230, 18, n 20 b x bar 3 44, 0 3 50, 0 24, n 40 c x bar 21 02, 0 20 00, 2 52, n 30

Question: Find the z calc test statistic for each hypothesis test. a. x-bar = 242, 0 = 230, = 18, n = 20 b. x-bar

Find the z calc test statistic for each hypothesis test.
a. x-bar = 242, μ0 = 230, σ = 18, n = 20
b. x-bar = 3.44, μ0 = 3.50, σ = 0.24, n = 40
c. x-bar = 21.02, μ0 = 20.00, σ = 2.52, n = 30

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