# Conceptual Formula computations

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1 set of information with a) solving for sd using conceptual formula and b)solving for sd using computational formula.

Information:

Mean:37/6=6.17

Median:31

Mode:27

From the Raw data which is:

14,16,16,16,20,20,20,21,23,23,24,24,26,27,27,27,27,30,31,31,32,33,34,34,35,35,35,37,38,38,39,42,46,48,49,52,55)

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?

https://brainmass.com/statistics/quantative-analysis-of-data/conceptual-formula-computations-21273

#### Solution Summary

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

$2.49