Explain why the sample variance formula is [sum_{i=1}^{N} frac{left(y_{i}-bar{y} ight)^{2}}{N-1}] instead of [sum_{i=1}^{N} frac{left(y_{i}-bar{y} ight)^{2}}{N}]
Question:
Explain why the sample variance formula is
\[\sum_{i=1}^{N} \frac{\left(y_{i}-\bar{y}\right)^{2}}{N-1}\]
instead of
\[\sum_{i=1}^{N} \frac{\left(y_{i}-\bar{y}\right)^{2}}{N}\]
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Step by Step Answer:
The sample variance formula is given by sumi1N fracleftyibary ight2N1 instead of sumi1N fracleftyiba...View the full answer
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Related Book For 
Design And Analysis Of Experiments And Observational Studies Using R
ISBN: 9780367456856
1st Edition
Authors: Nathan Taback
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