Author Question: The imposition of integer restriction is necessary for models where: a. nonnegativity constraints ... (Read 164 times)

TVarnum · **on:** Jun 24, 2018

The imposition of integer restriction is necessary for models where:
a. nonnegativity constraints are needed.
b. variables can take negative values.
c. the decision variables cannot take fractional values.
d. possible values of variables are restricted to particular intervals.

Question 2

Income is an example of
a. categorical data
b. either categorical or quantitative data
c. dollar data
d. quantitative data