Lines of best fit

In this lesson, you will learn how to draw lines of best fit, and their uses.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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.What type of correlation does the following graph show?

1/4

Q2.With which of these two variables would you expect to see negative correlation?

2/4

Q3.With which of these two variables would you expect to see no correlation?

3/4

Q4.What variables could go on this graph?

4/4

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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.What type of correlation does the following graph show?

1/4

Q2.With which of these two variables would you expect to see negative correlation?

2/4

Q3.With which of these two variables would you expect to see no correlation?

3/4

Q4.What variables could go on this graph?

4/4

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.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Bivariate Data Lesson 4:

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

Q1.Which of the following is the most appropriate line of best fit for the data?

1/3

Q2.The scatter graph below shows the shoe size and height of different secondary students. If a student had a shoe size of 6, what would you expect their height to be?

2/3

Q3.Thinking about the scatter graph above, which of the statements would you agree with the LEAST? Select one.

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Bivariate Data Lesson 4:

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

Q1.Which of the following is the most appropriate line of best fit for the data?

1/3

Q2.The scatter graph below shows the shoe size and height of different secondary students. If a student had a shoe size of 6, what would you expect their height to be?

2/3

Q3.Thinking about the scatter graph above, which of the statements would you agree with the LEAST? Select one.

3/3

Lesson summary: Lines of best fit

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