Transcript Review Question I

•From a structural approach, an individual observation is viewed as being composed of what three components? How do these components relate to the sums-of-squares (total,
error, and treatment)?
•How are the true population mean, the sample means, and the mean of the sampling distribution of the means related?
•Why is expected value of F ratio 1?
•What is the magnitude of the experimental effect and when do when use it?
•What is Power and when do we need to calculate it?
•Why do we need to assume homogeneity of variance?
•Do the following data support the researchers hypothesis that the drugs differ with respect to hand-eye coordination?
Group1
4
6
8
2
4
Group2
6
6
4
2
2
Group3
4
8
34
2
2