Year 8 statistics test to download as PDF

This Year 8 statistics test lasts 45 minutes and is marked out of 20. It covers the whole chapter for pupils aged 12-13, and the full answers are on a separate page.

⏱️ Duration : 45 min
🎯 Total : 20 marks
❓ 5 questions

Mark/20

Question 1 – Averages
Answer all parts. Show your working.
1. Find the mean, median and mode of 5, 8, 8, 9, 12, 14. (3 marks)
2. Find the range. (1 mark)
Question 2 – Frequency table
Thirty pupils were asked how many siblings they have.
Siblings 0 1 2 3
Frequency 6 12 8 4
1. Find the mean number of siblings. (2 marks)
2. Find the median. (1 mark)
3. What is the modal number? (1 mark)
Question 3 – Pie chart
A pie chart shows 60 pupils who chose a school trip: zoo 25 pupils, museum 20, park 15.
1. Work out the angle for each destination. (3 marks)
2. Which sector is the largest? (1 mark)
Question 4 – Problem: scatter graph
The table shows the number of ice creams sold and the maximum temperature on eight days.
Temp (°C) 14 16 18 20 22 24 26 28
Sales 20 28 31 40 45 52 55 63
1. Describe the correlation. (1 mark)
2. Draw a line of best fit and estimate the sales at 21°C. (2 marks)
3. Explain why you should not use it to predict sales at 5°C. (1 mark)
Question 5 – Problem: outlier
Six pupils scored these marks in a quiz: 12, 14, 15, 15, 16, 48.
1. Find the mean and the median. (2 marks)
2. Which score is an outlier? (1 mark)
3. Which average is better to describe the data? Explain. (1 mark)

Siblings	0	1	2	3
Frequency	6	12	8	4

Temp (°C)	14	16	18	20	22	24	26	28
Sales	20	28	31	40	45	52	55	63

How to use this Year 8 statistics test

First, revise with the statistics: scatter graphs and averages lesson and the worksheet. Then sit the test in one go, with a timer set to 45 minutes. After that, mark your work with the statistics: scatter graphs and averages test answers. If you lose marks on a question, redo it the next day without help.

Finally, you can download this Year 8 statistics test as a PDF and print it like a real exam paper. Moreover, all the pages of this chapter work together, so you can move between them at any time. For example, many pupils read the lesson on Monday, practise on Wednesday and test themselves on Friday.

Statistics: scatter graphs and averages – Year 8 maths test to download as PDF

Question 1 – Averages

Question 2 – Frequency table

Question 3 – Pie chart

Question 4 – Problem: scatter graph

Question 5 – Problem: outlier

How to use this Year 8 statistics test

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