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by stop@800 » Fri Sep 26, 2008 12:26 pm
mean 10
Sd 0.3

with in SD will be from
10-0.3 to 10+0.3
9.7 to 10.3

out of 8 your 6 nos are with in this range [except 9.4 and 10.5]
so 75%


Hope this helps!!
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