Question: We have provided a sample mean, sample size, and population standard deviation. In each case, use the one-mean z-test to perform the required hypothesis test

We have provided a sample mean, sample size, and population standard deviation. In each case, use the one-mean z-test to perform the required hypothesis test at the 5% significance level.

x̄ = 23, n = 15, σ = 4, H₀: μ = 22, H_a: μ > 22

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