Mean and Variance of the Chi-Squared Distribution — mchisq • DescTools

Processing math: 100%

Formula: $\mu = df$ $\mathrm{Var}(X) = 2 \cdot df$

mchisq(df)

Arguments

df: Degrees of freedom

Value

List with mean and variance

References

Rice, J.A. (2006). Mathematical Statistics and Data Analysis. Cengage Learning.

See also

Examples

mchisq(df = 4)
#> $mean
#> [1] 4
#> 
#> $variance
#> [1] 8
#>