For a population with an unknown distribution, the form of the sampling distribution of the sample mean is
a. approximately normal for small sample sizes.
b. exactly normal for large sample sizes.
c. exactly normal for small sample sizes.
d. approximately normal for large sample sizes.
Q. 2The reduced cost for a decision variable that appears in a Sensitivity Report refers to the ____________ of the nonnegativity constraint for that variable.
a. range of optimality
b. slack value
c. shadow price
d. range of feasibility
Q. 3If the expected value of the sample statistic is equal to the population parameter being estimated, the sample statistic is said to
a. have low variability.
b. be an unbiased estimator of the population parameter.
c. have high precision.
d. be a random estimator of the population parameter.
Q. 4The shadow price of nonbinding constraints
a. will always be zero.
b. will always be a positive value.
c. can never be equal to zero.
d. is no longer valid if the right-hand side of the constraint remains the same.
Q. 5When the expected value of the point estimator is equal to the population parameter it estimates, it is said to be
a. unbiased.
b. precise.
c. symmetric.
d. predicted.
Q. 6The change in the optimal objective function value per unit increase in the right-hand side of a constraint is given by the
a. objective function coefficient.
b. shadow price.
c. restrictive cost.
d. allowable increase.
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