i. In the ratio-to-moving-average procedure, using the median or modiﬁed mean eliminates trend.
ii. In the ﬁnal step, using the ratio-to-moving-average method on quarterly data, the total of the
Modiﬁed means should theoretically be equal to 400 because the average of should be 100.
iii. Seasonal variation is quite common in the retail and wholesale industries.
A) (i), (ii), and (iii) are all correct statements.
B) (i) and (ii) are correct statements but not (iii).
C) (i) and (iii) are correct statements but not (ii).
D) (ii) and (iii) are correct statements but not (i).
E) (i), (ii), and (iii) are all false statements.

Question

Quizplus · Accepted Answer

(ii) and (iii) are correct statements but (i).

I in the Ratio-To-Moving-Average Procedure, Using the Median or Modiﬁed