Higher
Plot a scatter graph and describe correlation
Higher
Plot a scatter graph and describe correlation
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Lesson details
Key learning points
- In this lesson, we will learn how to plot a scatter graph. We will also learn about different types of correlation in scatter graphs, and be able to correctly identify correlation patterns in scatter graphs.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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3 Questions
Q1.
Calculate the mean mark from the grouped frequency table.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707172475%2Fibtgd8yp7w9evcw3ficv.png&w=750&q=75)
2995
50
9.5
Q2.
Calculate the mean weight from the grouped frequency table, to 1 decimal place.
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13.4
5835
Q3.
Calculate the mean age from the grouped frequency table, to 1 decimal place.
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4.05
730
3 Questions
Q1.
The scatter graph shows the scores on a Maths test and the scores on an English test. Which point represents a Maths score of 45 and an English score of 30?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707209674%2Fgtfsjso6n9sxiorestd8.png&w=640&q=75)
A
B
Q2.
The scatter graph shows the scores on a Maths test and the scores on an English test. What does the red point represent?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707209676%2Fn1ckoczv3jbbagswnofq.png&w=640&q=75)
A Maths score of 30 and an English score of 30
A Maths score of 35 and an English score of 30
Q3.
The scatter graph shows the scores on a Maths test and the scores on an English test. What type of correlation does the graph show?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707209678%2Fubirc8sdqytov7ybjs80.png&w=640&q=75)
There is a negative correlation
There is no correlation