Use the old faithful dataset on the companion website; it gives data for n = 299 eruptions of the Old Faithful geyser.
a. The variable TimeToNext is the time until the next eruption after the present eruption. Draw a histogram of this variable. Describe the shape of the histogram.
b. Draw a boxplot of the TimeToNext variable. What important feature of the data cannot be seen in the boxplot that is seen in the histogram?