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A researcher believes that in recent years women have been getting taller. Ten years ago, the...

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Basic Math

A researcher believes that in recent years women have beengetting taller. Ten years ago, the average height of young adultwomen living in his city was 63 inches. The standard deviation isnot known. He randomly samples eight young adult women currentlyresiding in the city and measures their heights.

The sample data obtained is: [64, 66, 68, 60, 62, 65, 66, 63].Use a significance level of alpha=0.05 to test if women are nowtaller.

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Solution The null and alternative hypothesesareUnder the null hypothesis the test statistic isWhereis the    See Answer
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