Author Question: The graph of a problem that requires x1 and x2 to be integer has a feasible region a. the same as ... (Read 77 times)

Beheh · **on:** Jun 24, 2018

The graph of a problem that requires x1 and x2 to be integer has a feasible region
a. the same as its LP relaxation.
b. of dots.
c. of horizontal stripes.
d. of vertical stripes.

Question 2

The standard deviation of the ages of a sample of 16 executives from the northern states was 8.2 years, while the standard deviation of the ages of a sample of 25 executives from the southern states was 12.8 years. At = .1, test to see if there is any difference in the standard deviations of the ages of all the northern and southern executives.

karmakat49 · **Reply #1 on:** Jun 24, 2018

Answer to Question 1

B

Answer to Question 2

Since F = 2.44 > 2.29, reject H0, there is sufficient evidence to conclude that there is a difference in the standard deviations of the ages of all the northern and southern executives.