College students over time using logs. Refer to the
Chapter , Problem 2.101(choose chapter or problem)
College students over time using logs. Refer to the previous exercise. Lets examine the effect of using a log transformation on the numbers of undergraduate college students. (a) Make a scatterplot of the data with the least-squares regression line. (b) Plot the residuals versus the log of the number of undergraduate students in 2006. (c) Are there any outliers or influential observations? Give reasons for your answers. (d) Compare your results for this exercise with those for the previous exercise. (e) Discuss some advantages and disadvantages of using logs for these data.
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