Business and technology qualifications, Levels 3-6, in Brussels. Explore qualifications
Portal login
Diploma in Higher Education Studies

Averages and range

HES 102 · Mathematics for University Study — Week 12 of 16

CourseHES 102
Week12 of 16
SemesterI
TutorOnline in the course chat

This week’s topics

Averages and range

  1. Mean, median and mode
  2. Range
  3. Choosing the best average

What you will be able to do

  • 3.1 Calculate mean, median and mode from a dataset.

Activity

Calculate the averages and range for a class survey.

Study materials

Further resources

  • Contemporary Mathematics, 8.3–8.4: Averages and range · PDF · OpenStax Contemporary Mathematics (2023), 8.3–8.4: mean, median, mode and range, pp. 857–878 · for registered students
  • The Study Skills Handbook, Confidence with numbers: Averages · PDF · Cottrell, The Study Skills Handbook 5e, bonus chapter, mean, median and mode and when to use each, pp. 231–234 · for registered students
  • Introductory Statistics 2e, 2.6: Skewness and the Mean, Median, and Mode · PDF · OpenStax Introductory Statistics 2e (2023), 2.6: choosing the best average for skewed data, pp. 104–106 · for registered students
  • The conceptual field of measures of central tendency: a first approximation · Open-access article · Cazorla et al. (2023), International Electronic Journal of Mathematics Education. How mean, median and mode are understood and when each is the best average. · for registered students
Materials marked “for registered students” open in the student portal, which is set up as soon as you receive final acceptance.
Week 11Week 13
Course chat

Admitted students ask questions on this week’s page in the student portal: an AI assistant trained on the course answers first, and during the course’s timetabled classes Connect to your tutor brings your tutor into the chat, who may start a call if needed.

Open this week in the portal
Course plan
  • Week 1: Fractions, decimals and percentages
  • Week 2: Calculating with percentages
  • Week 3: Percentage increase and decrease
  • Week 4: Percentages in business: profit, mark-up and VAT
  • Week 5: Binary numbers
  • Week 6: Hexadecimal numbers
  • Week 7: Adding binary numbers
  • Midterm: Midterm evaluation
  • Week 9: Using formulae
  • Week 10: Solving equations and rearranging formulae
  • Week 11: Logic gates and truth tables
  • Week 12: Averages and range
  • Week 13: Reading charts and tables
  • Week 14: Solving problems step by step with flowcharts
  • Week 15: Review and coursework completion
  • Final: Final assessment and submission
Back to the course
Scroll