Page 33 - 新思维数学学生用书3 样章

2 Statistics: tally charts and frequency tables

Check your progress

1 Use the chart to answer the questions.
Number of learners in the class

First week Second week Third week Fourth week

a In which week is the number of learners more than 20?

b Add the number of learners in the second and fourth

week together. What is the total?

c How many more learners were present in the first week
than in the fourth week?

2 Complete the chart to show the tally marks for this data.

• 12 people like apple.
• Double that amount like mango.

• Grapes are liked by half the number of those who like apple.

• Bananas are liked most by seven people.

Fruit Tally

mango

apple
grape

banana

How many people took part in the survey?

32