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a. Give the null and alternative hypotheses for determining whether a positive linear relationship exists between y and x.
b. Locate the p-value of the test on the SPSS printout. Interpret the result if α = .05.
c. Find a 95% confidence interval for the slope, β1. Interpret the result.
For Information: Refer to the SPSS simple linear regression relating y = average state SAT Math score in 2011 with x = average state SAT Math score in 2001. Exercise 11.15. |
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