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Hong Kong
Stage 4 - Stage 5

Mean, median mode and range (comparing data sets)

Interactive practice questions

A survey was conducted asking students from years $5$5, $6$6, $7$7 and $8$8 what eye colour they have.

The results are shown below using divided bar graphs.

a

Which grade has the largest percentage of brown-eyed children?

Year 6

A

Year 7

B

Year 5

C

Year 8

D
b

Which grade has the largest percentage of blue-eyed children?

Year 5

A

Year 7

B

Year 8

C

Year 6

D
c

Which grade has the smallest percentage of black-eyed children?

Year 7

A

Year 5

B

Year 6

C

Year 8

D
d

Which grade has no green-eyed children?

Year 8

A

Year 5

B

Year 7

C

Year 6

D
e

Which grade has the same percentage of green-eyed children as blue-eyed children?

Year 5

A

Year 6

B

Year 8

C

Year 7

D
Easy
Approx a minute

Study the bar graph below which shows the changes in tourism rates in different cities during 2011 and 2012, then answer the following questions.

A tree is measured every year and its height recorded.

Consider the following graph:

(Data from http://www.livingin-australia.com/sunshine-hours-australia/)

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