Statistics
30 free practice questions with explanations
PassNova has 30 free KS2 SATs Maths practice questions on Statistics, each with a clear explanation. Practise them in the browser with instant feedback — 100% free, no sign-up, on any device. Updated for 2026.
Statistics: example questions & answers
12 worked examples with answers and explanations below. Practise all 30 Statistics questions free in the browser, with instant feedback on every answer.
What is the mode of this set of numbers: 3, 5, 5, 7, 9, 5, 2?
- A2
- B5✓
- C7
- D9
Answer: The mode is the number that appears most often. The number 5 appears three times, more than any other number.
What is the median of this set of numbers: 2, 4, 6, 8, 10?
- A4
- B6✓
- C8
- D10
Answer: The median is the middle value when the numbers are in order. With 5 numbers, the median is the 3rd number: 6.
What is the mean of these numbers: 10, 20, 30, 40?
- A20
- B25✓
- C30
- D40
Answer: Mean = sum ÷ count = (10 + 20 + 30 + 40) ÷ 4 = 100 ÷ 4 = 25.
A shop sells 5 red apples, 3 green apples, and 2 yellow apples. How many apples did it sell in total?
- A8
- B10✓
- C12
- D15
Answer: Total = 5 + 3 + 2 = 10 apples.
In a survey, 4 pupils like football, 6 pupils like tennis, and 5 pupils like basketball. How many pupils were surveyed?
- A10
- B12
- C15✓
- D20
Answer: Total pupils = 4 + 6 + 5 = 15.
What is the range of these numbers: 5, 12, 3, 18, 7?
- A12
- B13
- C15✓
- D18
Answer: Range = highest number - lowest number = 18 - 3 = 15.
The mean of four numbers is 12. What is the sum of the four numbers?
- A24
- B36
- C48✓
- D60
Answer: If the mean is 12 and there are 4 numbers, the sum = 12 × 4 = 48.
What is the median of these numbers: 3, 7, 5, 9, 1, 8, 2?
- A3
- B5✓
- C7
- D9
Answer: In order: 1, 2, 3, 5, 7, 8, 9. The median is the middle (4th) value: 5.
A pie chart shows that 1/4 of pupils like red and 3/4 like blue. If there are 20 pupils, how many like red?
- A5✓
- B10
- C15
- D20
Answer: 1/4 of 20 = 20 ÷ 4 = 5 pupils like red.
In a bar chart, one bar shows 30 and another shows 50. What is the total?
- A20
- B40
- C80✓
- D100
Answer: 30 + 50 = 80.
A class of 24 pupils was asked their favourite colour. 8 said red, 6 said blue, and the rest said green. How many said green?
- A6
- B8
- C10✓
- D14
Answer: Red + Blue = 8 + 6 = 14. Green = 24 - 14 = 10.
The mode of a dataset is 7. This means:
- A7 is the middle value
- B7 is the average value
- C7 appears more often than any other value✓
- D7 is the difference between highest and lowest
Answer: The mode is the value that appears most frequently in a dataset.