To further simplify, try the following steps. a. Factor constants out of the sums. b. Remember that
Question:
a. Factor constants out of the sums.
b. Remember that is a constant.
c. Recognize certain sums to be equal to the mean.
d. Write in terms of the mean and group together like terms.
The above steps outline the proof of the computational formula for the variance.
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Related Book For
Modeling the Dynamics of Life Calculus and Probability for Life Scientists
ISBN: 978-0840064189
3rd edition
Authors: Frederick R. Adler
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