Year 10
Core
Year 10
Core
Use a line of best fit on a scatter graph
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Lesson details
Key learning points
- In this lesson, we will learn how to draw and interpret a line of best fit on a scatter graph
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
3 Questions
Q1.
The scatter graph shows the scores on a Maths test and the scores on an English test. Which point would be considered as an outlier?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707169593%2Ftgga0ihvsa19afygfzbx.png&w=640&q=75)
B
C
Q2.
The scatter graph shows the scores on a Maths test and the scores on an English test. Describe the correlation.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707169621%2Feabvjulq8c9dre5xebsi.png&w=640&q=75)
There is a negative correlation
There is no correlation
Q3.
The scatter graph shows the scores on a Maths test and the participants shoe size. Describe the correlation.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707169638%2Fdlapxcmleuthky9fzer5.png&w=750&q=75)
There is a negative correlation
There is a positive correlation
3 Questions
Q1.
Which scatter graph shows a correct line of best fit?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707209649%2Facboowu0nrg4ddqzmzeo.png&w=1080&q=75)
A
B
Q2.
The scatter graph shows the scores on a Maths test and the scores on an English test. Use the line of best fit to estimate the English score of a student who scores 40 on the Maths test.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707209670%2Fk7gewbjcdno5vtv7awwu.png&w=640&q=75)
30
40
Q3.
The scatter graph shows the age and value of some cars. Use the line of best fit to estimate the age of a car valued at £3000.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707209683%2Fnta0wzv2neio05a9rssq.png&w=640&q=75)
0 years
There is not enough date