Graphs Flashcards
1
Q
What is a scatter graph?
A
Used to show correlation
Drawing a line of best fit allows estimation of value of one variable from values of the other variable
2
Q
What is a bar graph?
A
Used for discrete data.
Bars are all the same width and the height represents the frequency
3
Q
What is a histogram?
A
Used for continuous numerical data which has been classified into groups.
Bars may be different widths, the area of the bar represents frequency.
