State the null and alternative hypotheses. A study was conducted to test the effectiveness of a juggling

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State the null and alternative hypotheses.

A study was conducted to test the effectiveness of a juggling class. Before the class started, six subjects juggled as many balls as they could at once. After the class, the same six subjects juggled as many balls as they could. The differences in the number of balls are calculated. The differences have a normal distribution. Test at the 1% significance level.

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A doctor wants to know if a blood pressure medication is effective. Six subjects have their blood pressures recorded. After twelve weeks on the medication, the same six subjects have their blood pressure recorded again. For this test, only systolic pressure is of concern. Test at the 1% significance level.

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Introductory Business Statistics

ISBN: 202318

1st Edition

Authors: Alexander Holmes , Barbara Illowsky , Susan Dean

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