united nations (data file: un11) the data in the file un11 contains several variables, including fertility, ppgdp, lifeexpf, and pcturban, from the year 2009. the data are for 199 localities, mostly un member countries, but also other areas such as hong kong that are not independent countries. the data were collected from united nations (2011). we will study the dependence of fertility on ppgdp, lifeexpf, and pcturban. 1. draw the scatterplot of fertility versus ppgdp, fertility versus lifeexpf, and fertility versus pcturban. summarize your findings.
