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Use a line of best fit on a scatter graph

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Use a line of best fit on a scatter graph

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Lesson details

Key learning points

  1. In this lesson, we will learn how to draw and interpret a line of best fit on a scatter graph
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3 Questions

Q1.
The scatter graph shows the scores on a Maths test and the scores on an English test. Which point would be considered as an outlier?
An image in a quiz
Correct answer: A
B
C
Q2.
The scatter graph shows the scores on a Maths test and the scores on an English test. Describe the correlation.
An image in a quiz
There is a negative correlation
Correct answer: There is a positive correlation
There is no correlation
Q3.
The scatter graph shows the scores on a Maths test and the participants shoe size. Describe the correlation.
An image in a quiz
There is a negative correlation
There is a positive correlation
Correct answer: There is no correlation

3 Questions

Q1.
Which scatter graph shows a correct line of best fit?
An image in a quiz
A
B
Correct answer: C
Q2.
The scatter graph shows the scores on a Maths test and the scores on an English test. Use the line of best fit to estimate the English score of a student who scores 40 on the Maths test.
An image in a quiz
30
40
Correct answer: 50
Q3.
The scatter graph shows the age and value of some cars. Use the line of best fit to estimate the age of a car valued at £3000.
An image in a quiz
0 years
Correct answer: 14 years
There is not enough date

Lesson appears in

UnitMaths / Scatter diagrams and Frequency trees

UnitMaths / Scatter Diagrams & Frequency Trees & Averages