FCAT scores and poverty. Refer to the Journal of Educational and Behavioral Statistics (Spring 2004) study of

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FCAT scores and poverty. Refer to the Journal of Educational and Behavioral Statistics (Spring 2004) study of scores on the Florida Comprehensive Assessment Test (FCAT), first presented in Exercise 11.30

(p. 628).

Consider the simple linear regression relating math score

(y) to percentage (x) of students below the poverty level.

a. Test whether y is negatively related to x. Use a = .01.

b. Construct a 99% confidence interval for b1. Interpret the result practically.

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FCAT scores and poverty. Refer to the Journal of Educational and Behavioral Statistics (Spring 2004) study of

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