Population Variances


Confidence Interval
$n$ =   =
$\text{Confidence Level:}$ %
Example 1Example 2
Hypothesis Testing
$H_o$: σ₂²
$H_a$: σ² < > σ₀²
$n$ =   =
$\text{Level of Significance: }$ $\alpha$ =
Example 1Example 2