L2 (zoom): Calculation of critical values

Alpha = 5% -> (2.5%)

qt(0.025, 30, lower.tail = FALSE)

## [1] 2.042272

Alpha = 1% -> (0.5%)

qt(0.005, 30, lower.tail = FALSE)

## [1] 2.749996

Alpha = 0.1% - -> (0.05%)

qt(0.0005, 30, lower.tail = FALSE)

## [1] 3.645959