A valid Multiple Linear Regression (MLR) is characterized by all of these except?
A. It is an assumption that the X’s (inputs) are not correlated to each other
B. The X’s (inputs) are assumed to be independent of each other
C. The Residuals from MLR analysis have to be Normally Distributed
D. MLR is conducted based on a deliberate form of experimentation
E. It is not possible to evaluate interactions in a MLR analysis
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