1. Mean from a Bar Chart
Statistics

2. (via a frequency table)
Mean from a bar chart
(via a frequency table)
A survey was carried
out to find the average
number of children per
family living in a village.
The results are shown
in the bar chart.
Use this diagram to
make up a frequency
table and hence work
out the average
number of children
per family.

3. (via a frequency table)
The marks obtained by pupils in
a class test are shown
in the bar chart.
Make a frequency table
and use it to find
the average mark
Mean from a bar chart
(via a frequency table)

4. (via a frequency table)
The rainfall over a
period of time was
observed and the
results are shown in
the bar chart.
Use the diagram
to work out the average
rainfall over the time period.
Mean from a bar chart
(via a frequency table)

5. (via a frequency table)
Pupils were asked to
count the number of hours
they spent watching
television in a weekend.
The results are recorded
in the bar chart.
Work out the mean number
of hours spent
watching television.
Mean from a bar chart
(via a frequency table)