Multiple choice question based on regression.
1. What is the variable used to calculate another variable called?
a. Independent
b. Dependent
c. Important
d. Significant
e. None of the above
2. Suppose the least squares equation is Y' = 10 + 20X. What does the value of 20 indicate?
a. Y intercepts
b. For each unit increased in X, Y' increases by 20
c. For each unit increased in Y', X increases by 20
d. None the above