Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 319 · 40 questions

How to solve it (Work with totals): Mean = total ÷ how many; so total = mean × how many. Median: put the numbers in order and take the middle one. Mode: the number that appears most often. A number added: new mean = (old total + the number) ÷ (how many + 1).

1. 1.What is the mode of 2, 11, 4, 11, 2, 6 and 11? (a) 6 (b) 4 (c) 11 (d) 2
2. 2.What is the mode of 5, 13, 18, 5, 13, 5 and 11? (a) 13 (b) 11 (c) 5 (d) 18
3. 3.What is the mode of 1, 1, 17, 15, 1, 3 and 17? (a) 17 (b) 1 (c) 3 (d) 15
4. 4.What is the median of 16, 5, 11, 2 and 18? (a) 11 (b) 5 (c) 12 (d) 16
5. 5.What is the mean of 18, 19, 5 and 2? (a) 13 (b) 10 (c) 11 (d) 12
6. 6.What is the mode of 10, 1, 10, 11, 17, 17 and 10? (a) 10 (b) 11 (c) 1 (d) 17
7. 7.What is the mean of 2, 8, 11, 5 and 4? (a) 5 (b) 7 (c) 8 (d) 6
8. 8.What is the median of 30, 24, 33, 6, 10, 7 and 35? (a) 24 (b) 30 (c) 10 (d) 6
9. 9.What is the median of 18, 40, 36, 28 and 26? (a) 29 (b) 36 (c) 26 (d) 28
10. 10.What is the mean of 19, 13, 15 and 5? (a) 14 (b) 12 (c) 13 (d) 15
11. 11.The mean of 3 numbers is 21. When the number 13 is added to them, what is the new mean? (a) 20 (b) 19 (c) 17 (d) 21
12. 12.The mean of 8 numbers is 35. When the number 53 is added to them, what is the new mean? (a) 44 (b) 35 (c) 38 (d) 37
13. 13.What is the median of 27, 30, 12, 32, 29, 6 and 38? (a) 32 (b) 29 (c) 27 (d) 30
14. 14.What is the median of 37, 20, 26, 2 and 17? (a) 26 (b) 20 (c) 21 (d) 17
15. 15.What is the mean of 18, 10, 3, 8, 19 and 8? (a) 10 (b) 11 (c) 12 (d) 13
16. 16.What is the mode of 12, 17, 12, 14, 12, 17 and 9? (a) 12 (b) 17 (c) 9 (d) 14
17. 17.What is the mode of 20, 5, 9, 20, 9, 11 and 9? (a) 9 (b) 20 (c) 11 (d) 5
18. 18.What is the mean of 4, 6, 2 and 4? (a) 6 (b) 3 (c) 5 (d) 4
19. 19.The mean of 7 numbers is 22. When the number 6 is added to them, what is the new mean? (a) 21 (b) 22 (c) 14 (d) 20
20. 20.What is the mode of 17, 6, 7, 2, 17, 17 and 6? (a) 2 (b) 7 (c) 6 (d) 17
21. 21.What is the median of 6, 25, 5, 39 and 26? (a) 26 (b) 25 (c) 5 (d) 6
22. 22.What is the median of 10, 36, 37, 40 and 18? (a) 18 (b) 35 (c) 37 (d) 36
23. 23.What is the median of 10, 11, 6, 20 and 2? (a) 11 (b) 10 (c) 9 (d) 6
24. 24.What is the mode of 17, 17, 5, 17, 7, 7 and 6? (a) 5 (b) 6 (c) 7 (d) 17
25. 25.What is the mean of 16, 3, 20, 3, 11 and 13? (a) 12 (b) 10 (c) 11 (d) 13
26. 26.What is the mode of 13, 4, 3, 4, 4, 3 and 12? (a) 12 (b) 3 (c) 13 (d) 4
27. 27.What is the mean of 12, 7, 6, 19, 18 and 4? (a) 12 (b) 11 (c) 13 (d) 10
28. 28.What is the mode of 18, 14, 20, 18, 1, 14 and 18? (a) 14 (b) 1 (c) 20 (d) 18
29. 29.What is the mode of 11, 11, 4, 13, 18, 18 and 11? (a) 4 (b) 18 (c) 11 (d) 13
30. 30.What is the median of 7, 36, 33, 16, 40, 30 and 23? (a) 16 (b) 33 (c) 30 (d) 23
31. 31.What is the mean of 11, 5, 3 and 17? (a) 10 (b) 8 (c) 9 (d) 12
32. 32.What is the mean of 9, 5, 20 and 18? (a) 15 (b) 14 (c) 12 (d) 13
33. 33.What is the mean of 9, 10, 9, 15, 18 and 17? (a) 12 (b) 15 (c) 14 (d) 13
34. 34.What is the mode of 6, 3, 6, 7, 15, 15 and 15? (a) 7 (b) 15 (c) 3 (d) 6
35. 35.What is the mean of 18, 7, 16 and 7? (a) 11 (b) 12 (c) 16 (d) 13
36. 36.The mean of 3 numbers is 35. When the number 19 is added to them, what is the new mean? (a) 27 (b) 35 (c) 31 (d) 32
37. 37.What is the mode of 14, 17, 14, 8, 17, 1 and 14? (a) 14 (b) 1 (c) 8 (d) 17
38. 38.The mean of 6 numbers is 32. When the number 46 is added to them, what is the new mean? (a) 35 (b) 32 (c) 34 (d) 39
39. 39.What is the mean of 5, 19, 7, 14, 2 and 19? (a) 13 (b) 11 (c) 10 (d) 12
40. 40.What is the mode of 19, 19, 4, 19, 3, 14 and 14? (a) 14 (b) 19 (c) 3 (d) 4

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad