Histograms Flashcards
1
Q
What is plotted along the y axis on a histogram
A
The frequency density
2
Q
What is the formula to work out frequency density
A
Frequency density = frequency / class width
3
Q
What represents the frequency in a histogram
A
The area of the bar
4
Q
What is the formula for frequency in histograms
A
Frequency = frequency density x class width