Higher

Draw and interpret a frequency tree

Higher

Draw and interpret a frequency tree

Lesson details

Key learning points

  1. In this lesson, we will learn how to draw and interpret a frequency tree diagram.

Licence

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3 Questions

Q1.
Which scatter graph shows a correct line of best fit?
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.
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.
0 years
Correct answer: 14 years
There is not enough date

3 Questions

Q1.
Some boys and girls were asked if they like football. The information is presented in the frequency tree. How many of the boys and girls did not like football?
10
2
3
Correct answer: 5
Q2.
Some boys and girls were asked if they like rugby. The information is presented in the frequency tree. What are the missing values A and B?
A = 23 and B = 40
A = 24 and B= 40
Correct answer: A = 40 and B = 24
Q3.
Some boys and girls were asked if they like tennis. The information is presented in the frequency tree. Which part of the diagram would have the value 17?
A
Correct answer: B
C

Lesson appears in

UnitMaths / Scatter diagrams and Frequency trees

UnitMaths / Scatter Diagrams & Frequency Trees & Averages