Approximation and Errors

Hong Kong

Stage 1 - Stage 3

Which percentage below is the best estimate for the amount of the bar shaded black?

$100%$100%

A

$35%$35%

B

$5%$5%

C

$65%$65%

D

Easy

< 1min

Which point on the line is closest to $56%$56%?

Easy

< 1min

In a census, people are asked their gender and age. The graph shows the results: the percentage of females and males in each age group.

Easy

1min

A selection of people with a Facebook account were asked their ages. To the nearest $5%$5%, approximately what percentage of people were aged $15$15 to $25$25?

Medium

< 1min

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