In: Statistics and Probability
Consider E(Y|X1 X2) = β0 + β1X1 + β2X2. Interpret β2.
Group of answer choices
a. It is the value of X2, on average, when X1 = 0.
b. It is the change in the response, on average, for every unit increase in X2, when X1 is fixed.
c. It is the change in the response, on average, for every unit increase in X2.
d. It is the change in X2, on average, for every unit increase in X1, holding the response fixed.