Histograms Lesson 1 Flashcards
1
Q
What do you call the section on the left in a group of data e.g. 60
A
class width
watch histogram video on youtube by the GCSE maths tutor to get a visual idea
2
Q
How do you work out frequency density?
For e.g. 65
A
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
2
Q
How do you work out frequency density?
For e.g. 65
A
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
