9. Centre and Spread
Interactive practice questions
Find the mean of the following scores:
$8$8, $15$15, $6$6, $27$27, $3$3.
Easy
1min
When finding the mean, is it necessary to arrange the data items in order?
Easy
< 1min
Find the mean of the following scores.
$56$56, $89$89, $95$95, $71$71, $75$75, $84$84, $65$65, $83$83.
Easy
1min
Find the mean of the following scores:
$22.4$22.4, $25.4$25.4, $19.1$19.1, $24.3$24.3, $7.4$7.4
Easy
1min
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