In a regression model with two predictors x1 and x2, an interaction term may be used when:
A) the effect of x1 on the dependent variable is influenced by x2.
B) both the variables are independent variables.
C) both variables are influential to each other.
D) the effect of x2 on the dependent variable is not influenced by x1.
A
Business
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A typical supply curve shows that an increase in the price of a good will cause the quantity supplied to:
A. decrease. B. increase. C. remain constant. D. fluctuate randomly around its equilibrium value.
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Identifying customers with common needs is called:
a. capital budgeting b. segmentation c. differentiation d. penetration programming e. harvesting
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