Histograms Flashcards
1
Q
What is a histogram used to represent?
A
Grouped continuous data
2
Q
What does the area of the bar proportional to in a histogram?
A
the frequency in each class
3
Q
frequency density =
A
frequency / class width
4
Q
What formula is used to calculate the height of each bar?
A
k x frequency
k = 1 is the easiest to use when drawing a histogram
