Comparing box plots
I can interpret a box plot and compare two box plots.
Comparing box plots
I can interpret a box plot and compare two box plots.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- A box plot allows us to make conclusions about the data set
- Box plots can be compared to highlight similarities/differences in data sets
- The box part tells us about the middle 50% of the data
Keywords
Box plot - A box plot is a diagram that clearly shows the minimum and maximum value of a data set along with the three quartiles.
Median - The median is the central (middle) piece of data when the data are in numerical order. It is a measure of central tendency representing the average of the values.
Range - The range is a measure of spread. It is found by finding the difference between the highest and lowest values.
Common misconception
Not referring to the context of the question when comparing the data.
Highlight that just saying the median or the middle 50% of data is bigger is of little use unless you know what the data was about. Check that pupils understand the context of the question.
To help you plan your year 11 maths lesson on: Comparing box plots, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 11 maths lesson on: Comparing box plots, 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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The assessment exit quiz will test your pupils' understanding of the key learning points.
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Explore more key stage 4 maths lessons from the Graphical representations of data: cumulative frequency and histograms 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
Exit quiz
6 Questions
