Correlation

In this lesson, we will investigate different kinds of correlation and interpret them from scatter graphs.

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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.Look at the table below. How expensive is the car which is 5 years old?

£5,000£4,000£2,500£4

1/4

Q2.Referring to the same table, which of these statements is FALSE?

The mode price of car is £4,000On average, the older the car, the more expensive it isThe data shows the age and price for 10 carsIf there was a car which was 3 years old, it would definitely be worth £4,500

2/4

Q3.The scatter graph below shows the temperature and the number of ice creams sold at the beach on certain days. What was the temperature, in degrees, when 20 ice creams were sold?

10152025

3/4

Q4.Referring to the scatter diagram above, which of the following statements is likely to be TRUE? Select one

More ice creams sold caused the temperature to increaseA higher temperature caused the number of ice creams sold to increaseSince there are two different numbers of ice creams sold when the temperature is 25 degrees, there must be a mistake on the graphIt's impossible that only 5 ice creams were sold when the temperature was 25 degrees - the person plotting the graph must have made a mistake!

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.

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.Look at the table below. How expensive is the car which is 5 years old?

£5,000£4,000£2,500£4

1/4

Q2.Referring to the same table, which of these statements is FALSE?

2/4

Q3.The scatter graph below shows the temperature and the number of ice creams sold at the beach on certain days. What was the temperature, in degrees, when 20 ice creams were sold?

10152025

3/4

Q4.Referring to the scatter diagram above, which of the following statements is likely to be TRUE? Select one

4/4

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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.

Unit quizzes are being retired in August 2023

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Quiz:

Bivariate Data Lesson 3:

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

Q1.What type of correlation does the following graph show?

Positive correlationNegative correlationNo correlation

1/4

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

Number of sandwiches made and cost to make themAmount of flu jabs and percentage of people getting the fluNumber of hours studied and score in a testScore in an IQ test and amount of tea drunk

2/4

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

Number of sandwiches made and cost to make themAmount of flu jabs and percentage of people getting the fluNumber of hours studied and score in a testScore in an IQ test and amount of tea drunk

3/4

Q4.What variables could go on this graph?

Temperature on the x axis and air conditioning bill on the y axisAir conditioning bill on the x axis and temperature on the y axisTemperature on the x axis and heating bill on the y axisAir conditioning bill on the x axis and heating bill on the y axis

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.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >

Quiz:

Bivariate Data Lesson 3:

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

Q1.What type of correlation does the following graph show?

Positive correlationNegative correlationNo correlation

1/4

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

Number of sandwiches made and cost to make themAmount of flu jabs and percentage of people getting the fluNumber of hours studied and score in a testScore in an IQ test and amount of tea drunk

2/4

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

Number of sandwiches made and cost to make themAmount of flu jabs and percentage of people getting the fluNumber of hours studied and score in a testScore in an IQ test and amount of tea drunk

3/4

Q4.What variables could go on this graph?

4/4

Lesson summary: Correlation

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Bivariate data
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Lines of best fit

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Correlation

Unit quizzes are being retired in August 2023

Intro quiz - Recap from previous lesson

Unit quizzes are being retired in August 2023

Intro quiz - Recap from previous lesson

Video

Worksheet

Unit quizzes are being retired in August 2023

Bivariate Data Lesson 3:

Unit quizzes are being retired in August 2023

Bivariate Data Lesson 3:

Lesson summary: Correlation

It looks like you have not completed one of the quizzes.

Time to move!

The next lesson in: Bivariate data is: Lines of best fit

Browse Oak's lessons:

The next lesson in:
Bivariate data
is:
Lines of best fit