Part A: Data Analysis
You have been provided a dataset. A description of the variables is below. (This data has been generated using statistical software; it does not represent real measurements.) Import it into R. Then briefly answer each question below. Be sure to save a script file with any R code you need to answer these questions.
ability = score on an IQ test
race = reported race (white or nonwhite)
earnings = annual earnings
birthplace = state of birth
Part B: Short Answer
For each question below, provide a brief answer. No answer should be longer than 250 words.