Interpreting Normal Quantite Plots. In Exercises 5–8, examine the normal quantite plot and determine whether the sample data appear to be from a population with a normal distribution.Ages of Presidents The normal quantile plot represents the ages of presidents of the United States at the times of their inaugurations. The data are from Data Set 15 “Presidents” in Appendix B.

Question

Charlee Gentry · Accepted Answer

Normal quantile plot shows a straight line pattern.This is a sample from a population which is normally distributed since when the distribution is normally distributed then the normal quantile plot always appear as a straight line.