Example 1
One-way ANOVA
nThree groups of women volunteer to have a mammogram at different times. The raw score provided is the degree of pain (1=none to 10=extreme) they experienced during the test. Does the testing time affect the degree of pain experienced?
n Testing Time
n       9 AM       1 PM       4 PM
n
 9 2 4
n 6 1 4
n 6 4 2
n 8 3 3
n 7 2 3