JAMB Mathematics · Statistics

Measures of Dispersion: JAMB Mathematics Past Questions and Answers

What the JAMB syllabus covers in Measures of Dispersion

Our summary: Measuring how spread out data is, with range, variance and standard deviation.

  • Range, mean deviation, variance and standard deviation

Objectives

  • Calculate the range, mean deviation, variance and standard deviation of ungrouped and grouped data

Syllabus content © The Joint Admissions and Matriculation Board (UTME).

JAMB Mathematics questions on Measures of Dispersion

  1. JAMB 2024Find the variance of a group of data whose standard deviation is 12.34 to the nearest whole number.
  2. JAMB 2024Calculate the standard deviation of the following scores 5, 4, 6, 7, and 8
  3. JAMB 2023Calculate the mean deviation of the first five prime numbers.
  4. JAMB 2021Find the mean deviation of 1, 2, 3 and 4
  5. JAMB 2020Calculate the standard deviation of the following data: 7, 8, 9, 10, 11, 12, 13
  6. JAMB 2019Score (x) 0 1 2 3 4 5 6 Freq (f) 5 7 3 7 11 6 7 Find the variance
  7. JAMB 2017Find the range of the following set of numbers 0.4, −0.4, 0.3, 0.47, −0.53, 0.2 and −0.2
  8. JAMB 2017Find the sum of the range and the mode of the set of numbers 10, 9, 10, 9, 8, 7, 7, 10, 8, 10, 8, 4, 6, 9, 10, 9, 7, 10, 6, 5
  9. JAMB 2016Calculate the range of 20, -6, 25, 30, 21, 28, 32, 33, 34, 5, 3, 2, and 1.
  10. JAMB 2014Find the standard deviation of 5, 4, 3, 2, 1
  11. JAMB 2013If the variance of 3+x, 6, 4, x and 7-x is 4 and the mean is 5, find the standard deviation
  12. JAMB 2012Find the range of 4,9,6,3,2,8,10 and 11
  13. JAMB 2012Find the standard deviation of 2,3,8,10 and 12
  14. JAMB 2011c c Class Interval 3 - 5 6 - 8 9 - 11 Frequency 2 2 2 . Find the standard deviation of the above distribution.
  15. JAMB 2010Find the standard deviation of 2, 3, 5 and 6

Years with Measures of Dispersion questions in DeeepSolve's question bank

From the past questions DeeepSolve holds, not a count of everything the exam body has set.

  • 2024
  • 2023
  • 2021
  • 2020
  • 2019
  • 2017
  • 2016
  • 2014
  • 2013
  • 2012
  • 2011
  • 2010