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Year 7 Probability and statistics WA7MPSP3 4 pages · 34 questions Core
Year 7 Mean, Median, Mode and Range Worksheet
Free Year 7 statistics worksheet (WA7MPSP3): mean, median, mode and range, missing values and choosing the best measure. With marking key.
What's covered
- Calculating the mean, median, mode and range
- Finding a missing value from a given mean
- Choosing the most suitable measure of centre
About this worksheet
This free Year 7 mean, median, mode and range worksheet is written for the Western Australian curriculum and mapped to SCSA content description WA7MPSP3. It targets one skill so students can practise until it sticks: by the end, students can say “I can find the mean, median, mode and range of a data set and decide which measure best describes the data.”
What’s inside
- Key idea box – a short explanation with worked examples to read before starting.
- A · Fluency (16 questions) – quick practice to build accuracy.
- B · Core (10 questions) – worded problems set in everyday Australian contexts.
- C · Reasoning (4 questions) – explain, justify and spot the error.
- D · Challenge (4 questions) – harder multi-step and problem-solving questions for students ready to stretch.
- Separate marking key – every answer with working, plus mark allocations and marking criteria for reasoning questions.
Skills covered
- Calculating the mean, median, mode and range
- Finding a missing value from a given mean
- Choosing the most suitable measure of centre
How to use this worksheet
Start with the Key idea box, then complete Section A without a calculator. Most students should attempt Sections B and C; Section D suits students aiming for the top of the class or preparing for accelerated or extension maths. The worksheet is marked out of 56, and the score box on the last page helps students see which section needs more practice.
Common mistakes to watch for
- Finding the median without ordering the data
- Taking the middle two values for an odd-sized set
- Giving the range as a pair of values
- Ignoring the effect of an outlier on the mean
Where this fits in the WA Year 7 sequence
Mean, Median, Mode and Range sits in the Probability and statistics strand. It is one of a set of short, single-skill EduLift worksheets that split each Year 7 content description into sub-skills. Use the previous and next links to work through the sequence in order.
Common errors we see in tutoring
- Finding the median without ordering the data
- Taking the middle two values for an odd-sized set
- Giving the range as a pair of values
- Ignoring the effect of an outlier on the mean
Answer key (with worked solutions)
The answer key is a separate PDF with every question worked, not just the final answers.
Download the answer key (PDF)Stuck on a section? That's what our Year 7 tutors are for.
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