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A random sample of n = 45 observations from a quantitative population produced a mean x = 2.3 and a standard deviation s = 0.25.

A random sample of n = 45 observations from a quantitative population produced a mean

x = 2.3 and a standard deviations = 0.25. Your research objective is to show that the population mean exceeds 2.2.

Give the null and alternative hypotheses for the test.

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