Summarising data
I can see that the different measures of central tendency offer a summary of a set of data.
Summarising data
I can see that the different measures of central tendency offer a summary of a set of data.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- The mode is a useful measure of central tendency for certain data sets.
- The median is a useful measure of central tendency for certain data sets.
- The mean is a useful measure of central tendency for certain data sets.
Keywords
Data - Data are a collection of information.
Mean - The (arithmetic) mean for a set of numerical data is the sum of the values divided by the number of values.
Median - The median is the central (middle) piece of data when the data are in numerical order.
Mode - Mode is the most frequent value. It is a measure of central tendency representing the average of the values.
Measure of central tendency - A summary that attempts to describe a whole set of data with a single value that represents the middle of the distribution.
Common misconception
The mean is the most meaningful average.
Looking at bimodal data, trimodal data or data with extreme outliers. Context may be relevant.
To help you plan your year 8 maths lesson on: Summarising data, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 8 maths lesson on: Summarising data, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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Explore more key stage 3 maths lessons from the Numerical summaries of data unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
Licence
Lesson video
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Starter quiz
6 Questions
is the sum of the values divided by the number of values
is the middle piece of data when the data are in order
is the most frequent value
is a measure of spread
Exit quiz
6 Questions
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