Author Question: Transshipment problem allows shipments both in and out of some nodes while transportation problems ... (Read 142 times)

c0205847 · **on:** Jun 24, 2018

Transshipment problem allows shipments both in and out of some nodes while transportation problems do not.
Indicate whether the statement is true or false

Question 2

Last year, the standard deviation of the ages of the students at UA was 1.81 years. Recently, a sample of 10 students had a standard deviation of 2.1 years. We are interested in testing to see if there has been a significant change in the standard deviation of the ages of the students at UA. At 95 confidence, the null hypothesis _____.
a. should be rejected
b. should not be rejected
c. should be revised
d. None of the answers is correct.