# Find quartiles from a list of data

In this lesson, we will calculate the median, upper and lower quartiles and the interquartile range for a data set.

#### 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.What is the median?

1/3

Q2.What is the interquartile range?

2/3

Q3.How many people took longer than 4 minutes to solve the problem?

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.What is the median?

1/3

Q2.What is the interquartile range?

2/3

Q3.How many people took longer than 4 minutes to solve the problem?

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:

# Find quartiles from a list of data

Find median, upper and lower quartiles and the interquartile range for a data set.

Q1.What is the median of this set of data?

1/3

Q2.What is the lower quartile of this data set?

2/3

Q3.What is the upper quartile of this data set?

3/3

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

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

# Find quartiles from a list of data

Find median, upper and lower quartiles and the interquartile range for a data set.

Q1.What is the median of this set of data?

1/3

Q2.What is the lower quartile of this data set?

2/3

Q3.What is the upper quartile of this data set?

3/3

# Lesson summary: Find quartiles from a list of data

## Time to move!

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

For 5 mins...

Move around:
Jog

On the spot:
Chair yoga