When finding a confidence interval for $\sigma^{2}$, based on small sample, the number of degrees of freedom for the chi-square distribution is __________.

Name: When finding a confidence interval for $\sigma^{2}$, based on small sample, the number of degrees of freedom for the chi-square distribution is __________.
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The Answer of When finding a confidence interval for $\sigma^{2}$, based on small sample, the number of degrees of freedom for the chi-square distribution is __________.

When Finding a Confidence Interval For σ2\sigma^{2}σ2 , Based on Small Sample, the Number of Degrees of Small

When Finding a Confidence Interval For $\sigma^{2}$ , Based on Small Sample, the Number of Degrees of Small