1. As part of the marketing team at an interne want to understand who your customers are. You send out a 25 customers (you use an incentive of $50 worth of downloads to guarantee a high response rate) asking for demographic information. One of the variables is customer age. For the 25 customers, the ages are: 20 32 34 29 30 30 30 14 29 38 22 44 48 26 25 22 32 35 32 35 42 44 48 a. Make a histogram of the data using a bar width of 10 years. b. Make a histogram of the data using a bar width of five years. c. Make a relative frequency histogram of the data using a bar width of five years. d. Make a stem-and-leaf plot of the data using tens as the stems and putting the youngest customers at the top of the plot. LO