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H0: μ ≤ 16.56 vs. HA: μ > 16.56 What is the test statistic for sample...

H0: μ ≤ 16.56 vs. HA: μ > 16.56

What is the test statistic for sample of size 20, mean 11.53, and standard deviation 1.73? Enter the test statistic with 2 decimal places.

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Answer #1

t = [Mean - \mu0] / [\sigma/(n)1/2]

= [11.53 - 16.56] / [1.73/(20)1/2]

= -5.03 / 0.3868 = -13

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