Mean and Variance of the t-Distribution

Formula: \(\mu = 0 \quad (df > 1)\) \(\mathrm{Var}(X) = \frac{df}{df - 2} \quad (df > 2)\)

mt(df)

Arguments

df

Degrees of freedom

Value

List with mean and variance

See also

dt

Examples

mt(df = 5)
#> $mean
#> [1] 0
#> 
#> $variance
#> [1] 1.67
#>