Page 408 - Math Smart - 7

A survey was done to find out the most popular type of skewer among a group of
pupils. The data was represented in a tally frequency table.

Type of skewer Tally Frequency
Chicken m+mn
Beef -mn
m
Lamb mm
Vegetables ////

a) Complete the table by filling in the third column.
b) Represent the data in a bar-line graph.
c) How many pupils were surveyed?
d) Which type of skewer was most popular?
e) How many more pupils preferred chicken skewers to vegetable skewers

Solutio
a)
Type of skewer Tally Frequency
Chicken mmn 12
Beef mn 7
m
Lamb mm 13
Vegetables //// 4

b)
Types of skewers pupils like
14-
124
10-
Number of 8^
customers
6-
4-
2-
0
Chicken Beef Lamb Vegetables
Types of skewers

c) 12 + 7 + 13 + 4 = 36
36 pupils were surveyed.

d) Lamb skewers were most popular.
e) 12-4 = 8
8 more pupils preferred chicken skewers to vegetable skewers.

^04 UNIT 17^ Data Handling

I