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For 2271 observations from the 2014 GSS on y = number of years of education (EDUC) and x = number of years of mother's education

For 2271 observations from the 2014 GSS on y = number of years of education (EDUC) and x = number of years of mother's education (MAEDUC), y = 9.86 + 0.345x, with se = 0.0147 for the slope. (a) Test the null hypothesis that these variables are independent, and interpret. (b) Find a 95% confidence interval for the population slope. Interpret.

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