Collecting and recording data - Test Bite

1. Children were asked to state how many pets they own. From the tally chart, what are the values of x, y and z?

Number of pets	Tally	Frequency
0		3
1		X
2		Y
3		Z
4		4
More than 4		6

7, 9 and 16
6, 8 and 15
8, 10 and 17

2. How many children took part in the survey?

Number of pets	Tally	Frequency
0		3
1		X
2		Y
3		Z
4		4
More than 4		6

42
45
54

3. How many of the children own fewer than two pets?

Number of pets	Tally	Frequency
0		3
1		X
2		Y
3		Z
4		4
More than 4		6

9
10
11

4. This two-way table shows the ages of people on a bus. How many people on the bus are aged 30-39?

20
12
8

5. How many people on the bus are less than 20?

7
5
3

6. How many females are on the bus?

18
20
22

7. How many males on the bus are aged 60-69?

6
2
0

8. How many people are on the bus altogether?

14
20
34

9. What is the most common price for a packet of biscuits in this survey?

99p
75p
62p