Positive values of covariance indicate a. a positive variance of ...

[olgavictoria]

Positive values of covariance indicate
 a. a positive variance of the x values.
   b. a positive variance of the y values.
   c. the standard deviation is positive.
   d. positive relation between the independent and the dependent variables.

Question 2

A cost that is incurred no matter what values the decision variables assume is
 a. a reduced cost.
  b. an optimal cost.
  c. a sunk cost.
 d. a dual cost.

[sarah_brady415]

Answer to Question 1

d

Answer to Question 2

c

[olgavictoria]

Wow, this really help

[isabelt_18]

Thanks for the timely response, appreciate it