# Use a line of best fit on a scatter graph

In this lesson, we will learn how to draw and interpret a line of best fit on a scatter graph

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

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?

1/3

Q2.The scatter graph shows the scores on a Maths test and the scores on an English test. Describe the correlation.

2/3

Q3.The scatter graph shows the scores on a Maths test and the participants shoe size. Describe the correlation.

3/3

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

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?

1/3

Q2.The scatter graph shows the scores on a Maths test and the scores on an English test. Describe the correlation.

2/3

Q3.The scatter graph shows the scores on a Maths test and the participants shoe size. Describe the correlation.

3/3

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Use a line of best fit on a scatter graph

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Which scatter graph shows a correct line of best fit?

1/3

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.

2/3

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.

3/3

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Use a line of best fit on a scatter graph

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Which scatter graph shows a correct line of best fit?

1/3

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.

2/3

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.

3/3

# Lesson summary: Use a line of best fit on a scatter graph

## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Climb stairs

On the spot:
Dance