Descriptive Statistics N Mean StDev SE Mean 95% CI for mu/509 27.7486 3.8999 0.1

Question

Descriptive Statistics N Mean StDev SE Mean 95% CI for mu/509 27.7486 3.8999 0.1729 (27.4070, 28.0862) mu mean of Ideal Marriage Age In Spring 2016 a sample of 509 Penn State World Campus students what they believed was the ideal age to get married. A 95% confidence interval for the population mean was constructed using Minitab Express and this output is presented above. Is there evidence that the population mean of ideal age to get married is different from 30? Yes, there is evidence that the population mean of ideal age to get married is different from 30 No, there is NOT evidence that the population mean of ideal age to get married is different from 30

Explanation / Answer

Solution:-

Yes, there is evidence that the population mean of ideal age to get married is different from 30.

As we can see the confidence interval (27.407, 28.086) does not contain 30, so there is evidence that the population mean of ideal age to get married is different from 30.

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