1. Here are the heights, in centimetres,
of the students in a Grade 7 class:
162, 154, 166, 159, 170, 168, 158, 162,
172, 166, 157, 170, 171, 165, 162, 170,
153, 167, 164, 169, 167, 173, 170
a) Find the mean, median, and
mode heights
.
b) What is the range of the heights?