Statistics

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

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

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

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

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

Year 5

A

Year 6

B

Year 8

C

Year 7

D

Easy

Approx a minute

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