Business analytics final

Which of the following cannot be included as a constraint in a linear programming problem?

4X1 - 1/3 X2 =7

_________ is used to test the hypothesis that the values of the regression parameters B1, B2....... B5 are all

An F test

Let M be the number of units to make in-house and B be the number of units to buy from outside. If it cost $2 to make a unit and $3 to buy a unit and 2,000 units are needed and the objective can be written as ______

Min 2M+3B

For a linear regression model, if the coefficient of determination is equal to one, then

SSE must be equal to zero

Let X, and X2 be binary variables whose values indicate whether projects 1 and 2 are accepted or not. Which answer below models a situation in which project 1 or 2 must be accepted, but not both?

X1 + X2= 1

Rounding the solution of an LP relaxation to the nearest integer values provides _______________

an integer solution that might be neither feasible nor optional

A _______ refers to a constraint that holds as equality at the optimal solution

binding constraint

The data preparation technique used in market segmentation to divide consumers into different homogeneous group is _______

cluster analysis

The coefficient of determination __________________

is used to evaluate the goodness of fit

The difference between the observed value of the dependent variable and the value predicted using the estimated regression equation is known as the _____

residual

The improvement in the value of the objective functions per unit increase in a right- hand side is the

shadow price

The _____ is a measure of the error in using the estimated regression equation to predict the values of the dependent variable in a sample

sum of squares due to error (SSE)

______________ is a category of data-mining techniques in which an algorithm learns how to predict or classify an outcome variable of interest.

supervised learning

The procedure of using sample data to find the estimated regression equation is known as _______

the least squares method

infeasibility means that the number of solutions to the linear programming models that satisfies all constraints is

0

Let A, B, and C be the number of surveys from three regions A,B and C. If no more than 50% of the total number of surveys should be conducted in region A, then _________

0.5A - 0.5B + 0.5C < 0

________ encompasses reports, data dashboards, and descriptive statistics to describe the past data

descriptive analytic

A variable used to model the effect of categorical independent variables in a regression model is known as a

dummy variable