The three year moving average of the production given by the table.
| Year | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
| Production | 98 | 95 | 103 | 109 | 88 | 110 |
is least around the year :
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → 2011
Three years moving average (MA),
$MA=\frac{\text{Production in years (t-1) + Production in year (t) + Production (t+1)}}{3}$
2011; $\frac{98+95+103}{3}=\frac{296}{3}=98.67$ is the lowest of all MA.