A sample of 30 items provided a sample mean of 28 and a sample standard deviation of 6. Test the following hypotheses using $\alpha$ = 0.05. What is your conclusion? H₀: ² 25

Question

A sample of 30 items provided a sample mean of 28 and a sample standard deviation of 6. Test the following hypotheses using $\alpha$ = 0.05. What is your conclusion? H₀: ² < 25 H_a: ² > 25

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The Answer of A sample of 30 items provided a sample mean of 28 and a sample standard deviation of 6. Test the following hypotheses using $\alpha$ = 0.05. What is your conclusion? H₀: ² < 25 H_a: ² > 25

A Sample of 30 Items Provided a Sample Mean of 28