Question 3

The stem-and-leaf plot displays the numbers of hours of television watched each day by students in a class.

Stem-and-leaf plot

Number of hours	Frequency
0–0.4	2
0.5–0.9	5
1.0–1.4	6
1.5–1.9	4
2.0–2.4	2
2.5–3.0	1

Question a to c - multiple choice question

a	The total number of students is:
	15	18	20
b	The number of students who watch more than two hours each day is:
	2	3	4
c	The number of students who watch between one and three hours each day is:
	7	13	18