Question 36
MediumOriginal questionRead the two statements and choose the correct option.
I. A moving average smooths out short-term ups and downs to show the trend.
II. A 3-year moving average gives a trend value for the first and the last year as well.
Show the answer and explanation
CorrectNot quiteAnswer A
Correct answer: A
Explanation
I: averaging neighbouring years cancels out much of the short-term change. True.
II: the first and last years have no neighbour on one side, so they get no 3-year average. False.
- Concept
- What moving averages do
- Typical timeTypical
- 90 s
- Your timeYours
- —
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