Variance of an Arithmetic Progression
For:
$$a,a+d,a+2d,\ldots,a+(n-1)d$$
the variance is:
$$\sigma^2=\frac{d^2(n^2-1)}{12}$$
Usage
- Used directly for the variance of any finite arithmetic progression.
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CAT Formulas
Statistics
Variance of an Arithmetic Progression
Variance of an Arithmetic Progression
For:
$$a,a+d,a+2d,\ldots,a+(n-1)d$$
the variance is:
$$\sigma^2=\frac{d^2(n^2-1)}{12}$$
Usage
- Used directly for the variance of any finite arithmetic progression.
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