Mean and Variance of the Chi-Squared Distribution

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

dchisq

Examples

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