Equipment required: ruler,
protractor
YEAR 8 TOPIC 13
STATISTICS CHECK UP
Name
STAGE 3
Class
Instructions
Write all answers in the space provided.
1. Find the mean of 2, 6, 7, 6, 4
Calculators are not to be used.
3. The picture graph shows the number of people
who donated blood at the Mobile Blood Bank.
2. The students in Year 8 at Dapto High School
were surveyed to find how they travel to school
and the results are in the table.
Bus
80
Car
60
Blood Donors
    

September     
    
August
   
July
  
June
 = 40 blood donors
October
Walk
40
(a) Kay decides to draw a picture graph to
represent this information. She is going to use
 as the symbol. How many students should
each symbol represent?
(a) How many people donated blood in
September?
(b) How many people donated blood in July?
(b) Draw the picture graph for Kay.
Year 8 students travelling to school
Bus
(c) In which month did 180 people donate blood?
4.
Car
Wollongong Pollution Readings
Walk
(c) Draw a column graph for this information.
Year 8 Travelling to School
80
60
40
35
30
25
20
15
10
5
0
M
T
W
T
F
S
S
40
(a) On which day was the highest pollution reading
recorded?
20
20
0
Bus
Dapto HS
Car
Walk
(b) What was the lowest pollution reading?
1
5. The market value of Compass Shares on the
stock market for one week are shown in the
table.
Days of Week
M
T
W
T
F
Share Price (cents)
35 38 34 36 41
On the grid below
(a) Label the horizontal axis with the days of the
week
(b) Use a suitable scale on the vertical axis for the
share prices
(c) Draw the line graph to show the Compass
Share prices.
(c) When did Kelly stop for lunch?
(d) When was there 24 litres left in the tank during
the trip?
(e) How much petrol did Kelly use altogether
when travelling to Leeton?
7. Alan earned $150 last week. How he spent his
earnings is shown in the bar graph.
How Alan spent $150
Entertainment
Food
Clothing
Fares
(a) What fraction of the money was spent on food?
(b) What was the most money spent on?
(c) How much money was spent on clothing?
8. Eighty Year 8 students were asked to name their
favourite sport. This sector graph was then
drawn.
Dapto HS
2
Kelly’s Petrol Consumption
6.
Favourite sports
40
36
32
Other
Netball
28
24
20
16
12
Tennis
Volleyball
Swimming
9
10
11
12
1
2
3
4
Kelly left home at 9 am and drove to her parent’s
house in Leeton. The graph shows the volume of
petrol (in litres) in the petrol tank of her car during
the trip.
(a) How much petrol was in the tank when she
arrived at her parent’s house?
(b) What happened at 10 am?
Dapto HS
(a) Which sport was the most popular?
(b) What fraction of the group chose tennis?
(c) How many of the group chose tennis?
3