Refer to the previous exercise. Now let the human development index (HDI) be the explanatory variable for predicting fertility. Using software with the UN data file at the text website,

(a) Construct a scatterplot.Doany observations stand out as potential regression outliers?

(b) Fit the model, and interpret the parameter estimates and correlation.

(c) Redo the analyses without the observation that may be a regression outlier. Compare results to (b).