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 LO9 

(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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Statistics

ISBN: 9781292161556

13th Global Edition

Authors: James T. McClave And Terry T Sincich

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