1. Find the mean of 4, 6, 8, 10, 12. (2 marks)
Edexcel IGCSEworksheetmedium
Statistics: Averages & Charts
Mean, median, mode, range, and interpreting simple data displays.
Mathematics · Statistics · Year 10 · 25 mins · 20 marks · 10 questions
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Find the mean of 4, 6, 8, 10, 12. (2 marks)
Find the median of 3, 7, 9, 11, 15. (2 marks)
Find the mode of 2, 5, 5, 7, 8, 5, 9. (2 marks)
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2. Find the median of 3, 7, 9, 11, 15. (2 marks)
3. Find the mode of 2, 5, 5, 7, 8, 5, 9. (2 marks)
4. Find the range of 12, 18, 7, 25, 10. (2 marks)
5. In a pie chart, one sector represents 90°. What fraction of the whole is this? (2 marks)
- 1/2
- 1/3
- 1/4
- 1/5
6. A bar chart shows 12 students chose Maths and 8 chose Science. How many more chose Maths? (2 marks)
7. Which average is most affected by extreme outliers? (2 marks)
- Mean
- Median
- Mode
- All equally
8. The mean of five numbers is 10. Four of them are 8, 9, 11 and 12. Find the fifth. (2 marks)
9. Probability of rolling a 4 on a fair six-sided die is: (2 marks)
- 1/4
- 1/6
- 1/2
- 4/6
10. A bag has 3 red and 5 blue balls. Probability of drawing a red ball at random is: (2 marks)
Show answer key
- 1. 8
- 2. 9
- 3. 5
- 4. 18
- 5. 1/4
- 6. 4
- 7. Mean
- 8. 10
- 9. 1/6
- 10. 3/8
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