3.19. As of May 2015, an article in en . wikipedia . org on "Minimum wage reported (in U.S. dollars ) the min- imum wage per hour for five nations: $15.61 in Aus- tralia. $12.52 in France. $9.85 in Canada. $725 in the United States, and $0.62 in Mexico. Find the mean, range. and standard deviation (a) excluding Mexico, (b) for all five observations. Use the data to explain the effect of an outlier on these measures