Mean, median and mode from a Bar Chart3

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Mean, median and mode from a Bar Chart(3)

• Statistics

2
In a survey pupils were asked to count
the number of books they carried to school in
their bags. The results are shown in the bar
chart
Use the bar chart to calculate the mean,
median and mode.
3 4 5 6 7
8 9
Number of books
3
A survey was carried out to see how many pupils
were using the school bus. The number on the
bus each day was recorded and the results are
shown in the bar chart.
Use the bar chart to calculate the mean,
median and mode.
8 9 10 11 12 13
14
Number of pupils on the bus each day
4
A company produce boxes of matches. They claim
that on average there are more than 62 matches in
a box. To check their claim a number of boxes
were opened and the matches counted. The results
are shown in the bar chart
Use the bar chart to calculate the mean. Is
the claim Justified?
60 61 62 63 64 65
66
Number of matches in a box
5
A record was kept of the number of pupils
absent from class over a period of time. The
results are shown in the bar chart.
Use the bar chart to calculate the mean,
median and mode.
1 2 3 4 5
6
Number of pupils absent from class.
6
The police did a survey to see how many people
were present in cars on a busy road. The results
are shown in the bar chart.
Use the bar chart to calculate the mean,
median and mode.
1 2 3 4
5
Number of people in a car
7
Throughout the month of August last year
the number of hours of sunshine was recorded
each day. The results are shown in the bar chart.
Use the bar chart to calculate the mean,
median and mode.
6 7 8 9
10
Hours of sunshine in a day
8
An athlete is training for a distance run.
Each day he records how far he has run and the
results are shown. The athlete claims he
is running an average of at least 13 miles per
day. Is his claim justified?
Use the bar chart to calculate the mean.
10 11 12 13 14 15 16
17
Number of miles run in a day.