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AustraliaNSW
Stage 5.1-3

10.02 Calculating centre and spread

Interactive practice questions

For each of the following decide whether the statements are true or false.

a

Two sets of data have the same highest and lowest values. This means they must have the same mode.

True

A

False

B
b

Two sets of data that have the same highest and lowest values must have the same mean.

True

A

False

B
Easy
< 1min

For each of the following statements, decide whether they are true or false:

Easy
< 1min

Consider this set of data:

$0,1,1,1,2,3,4,4,7,8,8,9,9$0,1,1,1,2,3,4,4,7,8,8,9,9

If one score of $4$4 is changed to $1$1, which two measures of centre would be affected?

Easy
< 1min

Consider this set of data that represents the number of apps on six people’s phones:

$12,13,20,21,23,25$12,13,20,21,23,25

If each person adds another $7$7 apps, which measures of centre would be affected?

Medium
< 1min
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Outcomes

MA5.1-12SP

uses statistical displays to compare sets of data, and evaluates statistical claims made in the media

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