Answer & Solution
$$\eqalign{ & = \frac{\left(6.2+6.2+6.4+7.8+9.9+11.8\right)\times100}{6} \cr & = \frac{48.3\times100}{6} \cr & = \frac{4830}{6} \cr & = 805 \cr} $$
Year | P | Q | R | S | T | |||||
App. | Qual. | App. | Qual. | App. | Qual. | App. | Qual. | App. | Qual. | |
2005 | 3.2 | 2.5 | 3.5 | 1.4 | 3.8 | 2.2 | 4.2 | 2.4 | 6.2 | 2.6 |
2006 | 4.6 | 3.4 | 6.9 | 4.2 | 6.9 | 4.4 | 7.4 | 3.3 | 6.2 | 4.8 |
2007 | 6.5 | 4.9 | 7.7 | 4.5 | 5.9 | 4.8 | 8.3 | 5.6 | 6.4 | 4.2 |
2008 | 7.4 | 5.7 | 5.4 | 3.4 | 7.2 | 3.2 | 9.3 | 6.4 | 7.8 | 6.2 |
2009 | 8.8 | 4.8 | 6.6 | 5.2 | 8.6 | 6.8 | 11.4 | 5.2 | 9.9 | 6.9 |
2010 | 9.2 | 5.6 | 10.6 | 6.4 | 10.3 | 7.4 | 14.2 | 11.4 | 11.8 | 9.4 |