IGCSE Maths / Working with data
Mean, median, mode and range
Edexcel International GCSE Maths (4MA1), chapter 19: Working with data, specification point 6.2a-f. Part of the full course.
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Mean, median and mode describe the middle of a set of data in different ways. Range measures how spread out the data is, so it is not an average.
More lessons in Working with data
- Bar charts, pie charts and pictograms
- Two-way tables and reading statistical diagrams
- Mean from a frequency table
- Estimated mean and modal class for grouped data
- Frequency density
- Drawing a histogram
- Reading frequencies from a histogram
- Completing a histogram from a part drawn graph
- Estimating a frequency within a class
- Building a cumulative frequency table
- Plotting a cumulative frequency diagram
- Reading values from a cumulative frequency graph
- Estimating how many are above or below a value
- Estimating the median from a cumulative frequency diagram
- Estimating the interquartile range from a cumulative frequency diagram
- Comparing two cumulative frequency distributions
- Quartiles and the interquartile range for discrete data
- What a measure of spread tells you
- Using the interquartile range to compare distributions