x̄Statistics: math practice, grades 7–8

Practise “Statistics” online for free. Five right answers in a row make the tasks harder, two mistakes in a row make them easier. Right answers earn coins for games.

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Example problems

These are only examples: the practice makes new tasks every time.

1. Find the range of the numbers.

   46, 53, 9, 41, 8
   ?

   Answer

   45

2. Find the mode of the numbers.

   16, 4, 4, 4, 14, 15, 15, 1
   ?

   Answer

   4

3. Find the median of the numbers.

   29, 44, 7, 51, 14, 45, 57
   ?

   Answer

   44

4. Find the median of the numbers.

   18, 28, 53, 60, 21
   ?

   Answer

   28

5. Find the mean of the numbers.

   8, 27, 16, 21
   ?

   Answer

   18

6. Find the median of the numbers.

   35, 3, 19, 18, 60, 33
   ?

   Answer

   26

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