Question: 10.75 A random sample of n = 12 observations from a normal population produced x = 47.1 and s = 4.7. Test the hypothesis Ho:

10.75 A random sample of n = 12 observations from a normal population produced x = 47.1 and s = 4.7. Test the hypothesis Ho: 48 against Ho: + 48 at the 5% level of significance.

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