Author Question: From a population of size 1,000 . a random sample of 100 items is selected. The mean of the sample ... (Read 2438 times)

lb_gilbert · **on:** Jun 24, 2018

From a population of size 1,000 . a random sample of 100 items is selected. The mean of the sample
a. must be 10 times smaller than the mean of the population.
b. must be equal to the mean of the population, if the sample is truly random.
c. must be 10 times larger than the mean of the population.
d. can be larger, smaller or equal to the mean of the population.

Question 2

Double-subscript notation for decision variables should be avoided unless the number of decision variables exceeds nine.
a. True
b. False
Indicate whether the statement is true or false