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CanadaON
Grade 9

7.01 Review: Measures of centre and spread

Interactive practice questions

Find the range of the following set of scores:

$20,19,3,19,18,3,16,3$20,19,3,19,18,3,16,3

Easy
< 1min

Find the median of $7,8,3,2$7,8,3,2. Leave your answer to one decimal place if necessary.

Easy
< 1min

Find the median of this set of scores:

$3$3, $8$8, $13$13, $17$17, $19$19, $24$24, $26$26, $27$27

Easy
< 1min

Find the mode of the following scores:

$3,3,6,8,8,8,8,10,14,14,14,14,18$3,3,6,8,8,8,8,10,14,14,14,14,18

Medium
< 1min
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Outcomes

9.D1.2

Represent and statistically analyse data from a real-life situation involving a single variable in various ways, including the use of quartile values and box plots.

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