1. Car discounts, part 2. Use the data set of Exercise 28 to answer the following questions.
a) Find the five-number summary for these data.
b) Create a boxplot for these data.
c) What can you see, if anything, in the histogram of Exercise 28 that isn't clear in the boxplot?
2. Vineyards. The data set provided contains the data from Exercises 10 and 13. Create a stem-and-leaf display of the sizes of the vineyards in acres. Point out any unusual features of the data that you can see from the stem-and- leaf.
3. Gas prices, again. The data set provided contains the data from Exercise 26 on the price of gas for 57 stations around Los Angeles in December 2007. Round the data to the nearest penny (e.g., 3.459 becomes 3.46) and create a stem-and-leaf display of the data. Point out any unusual features of the data that you can see from the stem-and-leaf.