Find the mean (up to 2 decimal points) of the following numbers:
8.9, 6.5, 7.8, 12.3, 15.6, 14.4, 9.8
mean = $$\frac{sum\ of\ terms}{number\ of\ terms}$$
=Â $$\frac{8.9+6.5+7.8+12.3+15.6+14.4+9.8}{7}$$
= $$\frac{75.3}{7}$$
=Â 10.76 (approx.)
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