PrecisionTree tornado and spider charts are: a. useful for ...

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PrecisionTree tornado and spider charts are:
 a. useful for seeing which inputs affect a selected EMV the most
  b. not useful for decision making processes
  c. useful for calculating EMVs
  d. none of these choices
  e. all of these choices

Question 2

What is not one of the guidelines for including/excluding variables in a regression equation?
 a. Look at the t-value and associated p-value.
  b. Check whether the t-value is less than or greater than 1.0.
  c. The variables are logically related to one another.
  d. Use economic or physical theory to make the decision.
  e. All of these choices are guidelines.

[ms_sulzle]

Answer to Question 1

e

Answer to Question 2

e