1. A sample of 12 people are divided equally into three different groups based on the levels of an independent variable (Group A, B and C). Each person provides a single score on a dependent variable and these scores are shown below.

Conduct a one-way ANOVA (a = .05) to determine if there is a significant difference between the groups.

Group A Group B Group C

1 4 9

2 0 5

1 6 8

0 2 6

no use of excel please, avoid handwritten explanation, show all the calculations