In each of Exercise, we have provided a sample mean, sample standard deviation, and sample size. In
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In each of Exercise, we have provided a sample mean, sample standard deviation, and sample size. In each case, use the onemean ttest to perform the required hypothesis test at the 5% significance level.
x̄ = 23, s = 4, n = 15, H_{0} : μ = 22, H_{a} : μ > 22
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