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Practice set · Grades 11 to 12

Statistics practice problems

10 problems with answers, grouped by topic.

Stuck? Open the Statistics hub for the worked examples.

Centre and spread

Solve each problem. Then open the answer to check.

$5, 10, 15, 20, 25$

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$\text{mean } 15$
$9, 3, 7, 5, 11$

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$\text{median } 7$
$4, 14, 9, 2$

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$\text{range } 12$
$2, 8, 4, 6$

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$\text{median } 5$

Probability

Solve each problem. Then open the answer to check.

$\text{an odd number on one die}$

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$\frac{1}{2}$
$\text{a 2 on one die}$

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$\frac{1}{6}$
$\text{heads on one coin toss}$

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$\frac{1}{2}$
$\text{two tails in two tosses}$

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$\frac{1}{4}$
$\text{5 then 6 on two dice}$

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$\frac{1}{36}$
$\text{a number over 2 on one die}$

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$\frac{2}{3}$

Need the method?

Every Statistics topic has worked examples, step by step.

Open the Statistics hub