How are schools doing? Refer to Exercise 28. Do the data provide convincing evidence of

Chapter 11, Problem 30

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QUESTION:

How are schools doing? Refer to Exercise 28. Do the data provide convincing evidence of a difference in the distributions of opinions about how high schools are doing among black, Hispanic, and white parents? (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:

How are schools doing? Refer to Exercise 28. Do the data provide convincing evidence of a difference in the distributions of opinions about how high schools are doing among black, Hispanic, and white parents? (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 association between the variables

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

 There is an association between the variables

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