3. Collect data from 15 of your classmates about the way they travel to school. Organise your fi ndings on a data sheet and then represent them on a pictogram.


Bar Charts


4. This bar chart shows the results of a survey on favourite colours. a) How many children were surveyed? b) Which was the most popular colour? c) Which was the least popular colour? d) How many children preferred red to orange? e) How many children chose yellow?


f) What percentage of the group surveyed said that green was their favourite colour?


g) Which colour would you have chosen?


h) Carry out a similar investigation in your own class. Record your results on a bar chart.


18 16 14 12 10 8 6 4 2 0


Red Orange Green Blue Yellow


5. Choose 5 popular TV programmes and survey all the children in your class to fi nd their favourite programme from your list. Display your results on a bar chart.


6. Design a table to collect information on the month of each person’s birthday in your class. Display your results on a bar chart and answer these questions.


a) Which month has the greatest number of birthdays? b) Name the month with the least number of birthdays. c) Are there any months with no birthdays?


190 Representing and Interpreting Data


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