Page 170 - Math Smart - 7
P. 170
a) Organise the data in a frequency table.
Colour of car Tally Frequency
Red
Blue
Green
White
Silver
Black
b) How many cars were blue?
c) What is the difference between the number of silver cars and green cars?
d) Which car colour was least popular?
e) Which car colour was most popular?
f) Give a reason why it was easier to use the frequency table to decide which car colour was
most popular.
Jim rolled one die. He recorded the number after each roll.
a) Construct a frequency table to organise the data from rolling one die.
b) Was your frequency table a grouped frequency table, or an ungrouped frequency table?
Give a reason for your choice.
Jim rolled two dice at the same time. He added the numbers shown on each die.
He recorded the sum after each roll.
2 10 11 5
10 7 7 4
9 7 6 12
c) Construct a frequency table to organise the data from rolling two dice.
d) Was your frequency table a grouped frequency table, or an ungrouped frequency table?
Give a reason for your choice.
e) Jim rolled five dice at the same time and recorded the sum of all five numbers after each roll.
Would you construct a grouped frequency table or an ungrouped frequency table to organise
that data? Give a reason for your answer.
166 UNIT 7 |Data handling
