2.10 Student’s t-Distribution

# t-distribution is a family parameterized by degrees of freedom
t_values <- rt(n = 10000, df = 10)

hist(t_values, breaks = 30)

# normalize distribution for QQ
t_values <- (t_values - mean(t_values))/sd(t_values)
qqnorm(t_values); qqline(t_values, col = 2)