For the data in Exercises 19–24:

  1. Find the sample size .
  2. Calculate the sample mean .

Question 3.23

23. The following sample is taken from the petit larceny data in Exercise 17.

Precinct Petit larcenies
1 2014
6 1555
9 1607
14 4551
17 823

3.1.23

(a) 5 (b) 2110 petit larceny cases