Author Question: In systematic sampling, one of the first k members is selected randomly, and then every kth member ... (Read 108 times)

melly21297 · **on:** Jun 24, 2018

In systematic sampling, one of the first k members is selected randomly, and then every kth member after this one is selected. The value k is called the sampling interval and equals the ratio N / n, where N is the population size and n is the desired sample size.
a. True
b. False
Indicate whether the statement is true or false

Question 2

Models such as moving averages, exponential smoothing, and linear trend use only:
a. future values of Y to forecast previous values of Y
b. previous values of Y to forecast future values of Y
c. multiple explanatory variables (not just values of Y) to forecast future values of Y
d. ratio-to-moving-average methods