
Learning Objectives
 State what the Mean Square Error estimates when the null hypothesis
is true and when the null hypothesis is false
 State what the Mean Square Between estimates when the null hypothesis
is true and when the null hypothesis is false
 State the assumptions of a oneway ANOVA
 Compute MSB
 Compute MSE
 Compute F and the two degrees of freedom parameters
 Describe the shape of the F distribution
 Explain why ANOVA is best thought of as a twotailed test even though
literally only one tail of the distribution is used.
 State the relationship between the t and F distributions
 Partition the sums of squares into conditions and error
 Format data to be used with a computer statistics program
