Fertility and GDP Refer to the Human Development data file on the books website. Use x =

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Fertility and GDP Refer to the Human Development data file on the book’s website. Use x = GDP and y = fertility (mean number of children per adult woman).

a. Construct a scatterplot and indicate whether regression seems appropriate.

b. Find the correlation and the regression equation.

c. With x = percent using contraception, yn = 6.7

- 0.065x. Can you compare the slope of this regression equation with the slope of the equation with GDP as a predictor to determine which has the stronger association with y? Explain.

d. Contraception has a correlation of -0.887 with fertility. Which variable has a stronger association with fertility: GDP or contraception?

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Statistics The Art And Science Of Learning From Data

ISBN: 9781292164878

4th Global Edition

Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg

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