Find the indicated measures of central tendency.

Mean of the number of apps in Exercise 19

Data from Exercises 19 of Exercises 22.1

Use the following data. In a random sample, 30 Android users were asked to record the number of apps that were installed on their phone. The resulting data are shown below:

112, 91, 101, 85, 76, 115, 93, 126, 78, 86, 105, 107, 58, 86, 109,
111, 103, 105, 97, 110, 92, 95, 107, 89, 101, 67, 103, 99, 93, 82

Make a stem-and-leaf plot of these data (without split stems).