Question

The hand spans, to the nearest cm, of some students in a class are shown below:

19, 22, 21, 15, 18, 22, 17, 19, 16, 21, 19, 18, 22, 20, 21, 22, 19, 15, 17, 21

Henry created the following incorrect dot plot to represent the data:
What should Henry do to make the dot plot correct?
Put another dot on 17
Put another dot on 18
Delete one dot on 19
Delete one dot on 21

Answer 1

d