i. The irregular component of a time series is the easiest to measure.
ii. The ratio-to-moving average method removes the time series trend component, resulting in 12 numbers that are called specific seasonals.
Iii) For a quarterly time series, the initial step, using the ratio-to-moving average method, is to remove the seasonal components from the time series using a 3-month centered moving average.
A) (i) , (ii) and (iii) are all correct statements
B) (i) and (ii) are incorrect statements, but (iii) is correct.
C) (i) and (iii) are correct statements but not (ii) .
D) (ii) and (iii) are correct statements but not (i) .
E) All statements are false
Correct Answer:
Verified
Q63: i. The ratio-to-moving average method removes the
Q64: i. The cyclical component of a time
Q65: i. In the ratio-to-moving-average procedure, using the
Q66: i. The reason for deseasonalizing a sales
Q67: i. Using the ratio-to-moving-average method, dividing the
Q69: A plastics manufacturing performed a quarterly time
Q70: i. A typical monthly seasonal index of
Q71: i. In the final step, using the
Q72: i. A typical monthly seasonal index of
Q73: The table below shows the sales for
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents