# Problem solving with the Mean

In this lesson, we will solve different types of problems requiring us to calculate the mean, and problems where we need to determine numbers that have a provided mean value.

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 mean of the following group of numbers? 2, 2, 4, 6, 6

1/3

Q2.What is the mean of the following group of numbers? 0, 0, 1, 1, 2, 2, 5, 5

2/3

Q3.A set of 5 numbers is 3, 7, 8, 10, x (where x is a missing number). The mean of these 5 numbers is 6. What is the value of x?

3/3

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 mean of the following group of numbers? 2, 2, 4, 6, 6

1/3

Q2.What is the mean of the following group of numbers? 0, 0, 1, 1, 2, 2, 5, 5

2/3

Q3.A set of 5 numbers is 3, 7, 8, 10, x (where x is a missing number). The mean of these 5 numbers is 6. What is the value of x?

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.

Quiz:

# Statistics Lesson 6:

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

Q1.The mean of these set of numbers 1, 2, 3, 6 is...

1/3

Q2.The number four is added to the set of numbers above. What happens to the mean?

2/3

Q3.In the first 6 tests he takes, Jake scores a mean of 60 marks. In the final 4 tests, he scores a mean of 70 marks. What is his overall mean?

3/3

Quiz:

# Statistics Lesson 6:

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

Q1.The mean of these set of numbers 1, 2, 3, 6 is...

1/3

Q2.The number four is added to the set of numbers above. What happens to the mean?

2/3

Q3.In the first 6 tests he takes, Jake scores a mean of 60 marks. In the final 4 tests, he scores a mean of 70 marks. What is his overall mean?

3/3

# Lesson summary: Problem solving with the Mean

## Time to move!

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

For 5 mins...

Move around:
Jog

On the spot:
Dance