Load packages library(tidyverse) library(mosaic) Setup data(flights, package = "nycflights13") A story about data Say we have a decent sample of (n=100), and we would like to compute a standard, plain vanilla confidence interval (95% CI). For the sake of having a story, assume you are the boss of the NYC airports and you are investigating the 2013 “typical” arrival delays. OK, here we go. Get the …