1 Which of the following is used to determine the linear equation that best fits a set of data points?

a) correlational analysis

b) analysis of variance

c) analysis of regression

d) method of lease squares

2 Which of the following is a step to evaluate the significance for the relative contribution of each factor?

a) find r2 for the "other" predictor variable

b) complete the F table and make a decision

c) identify SS accounted for by the predictor variable of interest

d) all of the above

3) For the Friedman test, when _ R^2 is less than the critical value, we decide to ______.

a) retain the null hypothesis

b) reject the null hypothesis

c) not enough information