Histograms Lesson 1

Question 1

What do you call the section on the left in a group of data e.g. 60

Answer 1

class width

watch histogram video on youtube by the GCSE maths tutor to get a visual idea

Question 2

How do you work out frequency density?

For e.g. 65

Answer 2

5 values are possible

15 is frequency

Imagine that this is a rectangle

the frequency (15)is the area

5 is the base

therfore, frequency density is 3

Question 2

How do you work out frequency density?

For e.g. 65

Answer 2

5 values are possible

15 is frequency

Imagine that this is a rectangle

the frequency (15)is the area

5 is the base

therfore, frequency density is 3