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Conceptual Formula computations

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Only for above listed OTA
1 set of information with a) solving for sd using conceptual formula and b)solving for sd using computational formula.
From the Raw data which is:
Frequency table has 6 classes starting @ 0.
a) s^2 = Sumf (x-mean)^2 / n-1 Use to find standard deviant using conceptual formula
b) Compute varience of f table using computational version of formula s^2 = n*Sumf*x^2-(Sumf*x)^2 /n(n-1)Use this to find standard deviation
What do you notice either formula that is used?

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Solution Summary

The conceptual formula computations are provided. The variances is computed.

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