Measures of Central Tendency · CSEC Mathematics

49 past-paper questions on Measures of Central Tendency, part of STATISTICS, from every CSEC Mathematics paper on Quelpr.

1. 7(c)1 mark· CSEC Mathematics · 2003 (Specimen) · Paper 2Use the graph to find an estimate for the median length of the strips.
2. 1(c)(i)2 marks· CSEC Mathematics · 2009 (second paper) · Paper 2Calculate the TOTAL mass, in kilograms, of the eleven-member team.
3. 1(c)(ii)2 marks· CSEC Mathematics · 2009 (second paper) · Paper 2The captain weighs 90 kg. Calculate the mean (average) mass of the other 10 members of the team.
4. 10(c)3 marks· CSEC Mathematics · 2009 (second paper) · Paper 2Calculate the mean age of the students in the Computer Club.
5. 5(a)(i)a)1 mark· CSEC Mathematics · 2021 · Paper 2Using the table, determine the modal class of the amount of money spent.
6. 5(a)(i)b)2 marks· CSEC Mathematics · 2021 · Paper 2Calculate an estimate of the mean amount of money spent, giving your answer correct to 2 decimal places.
7. 5(a)3 marks· CSEC Mathematics · 2022 · Paper 2Complete the table and use the information to calculate an estimate of the mean height of the students, giving your answer correct to 1 decimal place.
8. Q221 mark · multiple choice· CSEC Mathematics · January 2011 · Paper 1A company employs 12 gardeners at \26 per day, and 8 clerks at \17 per day. What is the mean daily wage, in dollars, of the 20 employees?
9. Q431 mark · multiple choice· CSEC Mathematics · January 2011 · Paper 1The median of the numbers: 1, 1, 5, 5, 6, 7, 7, 7, 7, 8 is
10. Q441 mark · multiple choice· CSEC Mathematics · January 2013 · Paper 1If the mean of the four numbers 4, 8, x and 12 is 10, then x is
11. Q401 mark · multiple choice· CSEC Mathematics · January 2014 · Paper 1The following scores were obtained by eleven footballers in a goal-shoot competition: 5, 3, 6, 8, 7, 8, 3, 11, 6, 3, 3 The modal score is
12. Q441 mark · multiple choice· CSEC Mathematics · January 2014 · Paper 1If the mean of the four numbers 4, 8, x and 12 is 10, then x is
13. Q411 mark · multiple choice· CSEC Mathematics · January 2017 · Paper 1The median of the numbers 1, 3, 4, 5, 5, 9, 9, 9, 9, 10 is
14. Q421 mark · multiple choice· CSEC Mathematics · January 2017 · Paper 1If the mean of the four numbers 4, 8, x and 12 is 10, then x is
15. Q441 mark · multiple choice· CSEC Mathematics · January 2017 · Paper 1The modal score is
16. Q391 mark · multiple choice· CSEC Mathematics · May/June 2011 · Paper 1The modal score is
17. Q411 mark · multiple choice· CSEC Mathematics · May/June 2011 · Paper 1The mean of the following numbers is 15. 14, 10, 18, c, 21, 15, 14 The value of c is.
18. Q441 mark · multiple choice· CSEC Mathematics · May/June 2012 · Paper 1If the mean of the four numbers 4, 8, x and 12 is 10, then x is
19. Q411 mark · multiple choice· CSEC Mathematics · May/June 2013 · Paper 1The modal score is
20. Q441 mark · multiple choice· CSEC Mathematics · May/June 2015 · Paper 1If the mean of the four numbers 4, 8, x and 12 is 10, then x is
21. Q401 mark · multiple choice· CSEC Mathematics · May/June 2016 · Paper 1The score which occurs most frequently in a distribution is defined as the
22. Q421 mark · multiple choice· CSEC Mathematics · May/June 2016 · Paper 1Item 42 refers to the eight scores below. 10, 15, 4, 7, 8, 8, 1, 4 The median of the scores presented above is
23. Q451 mark · multiple choice· CSEC Mathematics · May/June 2016 · Paper 1If the mean of the numbers 2x, 3x, 4x and 3x is 12, then the sum of the numbers is
24. 3(b)(i)a)6 marks· Mathematics Q3 3(b)(i)a)Using the eight scores, determine the mean.
25. 3(b)(i)b)6 marks· Mathematics Q3 3(b)(i)b)Using the eight scores, determine the median.
26. 3(b)(i)c)6 marks· Mathematics Q3 3(b)(i)c)Using the eight scores, determine the mode.
27. 5(a)(i)1 mark· Mathematics Q5 5(a)(i)Using the cumulative frequency curve, estimate the median.
28. 5(b)(ii)1 mark· Mathematics Q5 5(b)(ii)What is the modal number of goals scored by the team?
29. 5(b)(iii)1 mark· Mathematics Q5 5(b)(iii)Determine the median number of goals scored by the team.
30. 5(b)(iv)2 marks· Mathematics Q5 5(b)(iv)Calculate the mean number of goals scored by the team.
31. 5(c)1 mark· Mathematics Q5 5(c)What is the modal number of books read?
32. 5(d)1 mark· Mathematics Q5 5(d)Byron estimates the median amount of petrol to be 43.5 litres. Explain why Byron's estimate is INCORRECT.
33. 5(e)2 marks· Mathematics Q5 5(e)Calculate the mean number of books read.
34. 6(a)(iv)2 marks· Mathematics Q6 6(a)(iv)The mean number of cars sold from 2010 to 2015 was 22.5 hundred. How many cars were sold in 2015?
35. 6(iii)3 marks· Mathematics Q6 6(iii)Calculate the mean monthly sales for the period January to May 2010.
36. 6(iii)2 marks· Mathematics Q6 6(iii)Using the cumulative frequency curve, determine the median score for the distribution.
37. 7(a)4 marks· Mathematics Q7 7(a)Calculate the mean of the frequency distribution assuming that each mark within each interval has a value equal to the midpoint of the interval.
38. 7(a)(ii)1 mark· Mathematics Q7 7(a)(ii)For the data above, determine the median.
39. 7(b)1 mark· Mathematics Q7 7(b)State the modal number of books in the bags of the sample of students.
40. 7(b)(i)3 marks· Mathematics Q7 7(b)(i)Calculate an estimate of the mean gain in mass of the 100 cows. Hint: EACH of the 29 cows in the "10- 14" interval is assumed to have a mass of 12 kg.
41. 7(b)(ii)2 marks· Mathematics Q7 7(b)(ii)Use your graph to estimate the median height of applicants.
42. 7(b)(ii)3 marks· Mathematics Q7 7(b)(ii)Calculate the mean score for the sample.
43. 7(b)(iii)4 marks· Mathematics Q7 7(b)(iii)Determine the mean height of the seedlings.
44. 7(c)2 marks· Mathematics Q7 7(c)Use the graph drawn at (b) to estimate the median mass of the parcels. Draw lines on your graph to show how this estimate was obtained.
45. 7(c)2 marks· Mathematics Q7 7(c)Calculate the mean monthly sales for the period July to November 2014.
46. 7(c)(i)2 marks· Mathematics Q7 7(c)(i)the TOTAL number of books
47. 7(c)(ii)2 marks· Mathematics Q7 7(c)(ii)the mean number of books per bag.
48. 7(f)1 mark· Mathematics Q7 7(f)State the modal length of a student's right foot.
49. 7(g)3 marks· Mathematics Q7 7(g)Calculate an estimate of the mean length of a student's right foot using the midpoints of the class intervals in (a) above.