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The Practice of Statistics | 5th Edition | ISBN: 9781464108730 | Authors: Daren S. Starnes, Josh Tabor
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Why women and men play sports Refer to Exercise 27. Do the data provide convincing

Chapter 11, Problem 29

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QUESTION:

Why women and men play sports Refer to Exercise 27. Do the data provide convincing evidence of a difference in the distributions of sports goals for male and female undergraduates at the university? (a) State appropriate null and alternative hypotheses for a significance test to help answer this question. (b) Calculate the expected counts. Show your work. (c) Calculate the chi-square statistic. Show your work.

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QUESTION:

Why women and men play sports Refer to Exercise 27. Do the data provide convincing evidence of a difference in the distributions of sports goals for male and female undergraduates at the university? (a) State appropriate null and alternative hypotheses for a significance test to help answer this question. (b) Calculate the expected counts. Show your work. (c) Calculate the chi-square statistic. Show your work.

ANSWER:

Step 1 of 3

(a)

The null hypothesis states that there is no association between the variables:

 : There is no difference between the distribution of sports goals for females and the distribution of sports goals for males.

The alternative hypothesis states that there is an association between the variables:

 There is a difference between the distribution of sports goals for females and the distribution of sports goals for males.

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