Question 28
EasyOriginal questionThe first 3-year moving average is found from the values for 2019, 2020 and 2021. Against which year is it placed?
Show the answer and explanation
CorrectNot quiteAnswer B
Correct answer: B
Explanation
A moving average of an odd number of years is placed against the middle year of its group.
The middle of 2019, 2020 and 2021 is 2020.
Worth noting
2021 is the last year of the group; the average describes its centre.
- Concept
- Where a moving average is placed
- Typical timeTypical
- 60 s
- Your timeYours
- —
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