10. Using the data you gathered for the mini-project in Chapter 1, prepare a summary of that data set that includes the following.

a. Prepare an appropriate type of frequency distribution table for one of the quantitative variables and then compute relative frequencies and cumulative relative frequencies.

b. Create a histogram, a stem-and-leaf display, and a dotplot of the data. Comment on any symmetry or skewness and on the presence of clusters and any potential outliers.

c. Make stacked dotplots of the same variable (as in parts a and

b) based on the values of one of your categorical variables. For example, if your quantitative variable is GPAs of students, your categorical variable could be gender. Comment on the similarities and differences between the distributions for the different values of your categorical variable.