Author Question: In computing descriptive statistics from grouped data, a. data values are treated as if they occur ... (Read 178 times)

acc299 · **on:** Jun 24, 2018

In computing descriptive statistics from grouped data,
a. data values are treated as if they occur at the midpoint of a class.
b. the grouped data result is more accurate than the ungrouped result.
c. the grouped data computations are used only when a population is being analyzed.
d. none of these alternatives is correct.

Question 2

If the optimal value of a decision variable is zero and its reduced cost is zero, this indicates that alternative optimal solutions exist.
a. True
b. False
Indicate whether the statement is true or false