What is a Confidence Interval?

library(tidyverse) library(knitr) Distributions There are three kinds of distributions: Population Distribution There are around 15 million adults in Texas and I am interested in estimating the average height of all adult Texans. I cannot go out and measure everyone’s height due to financial, capacity constraints etc. For the sake of this example, I am going to draw up a hypothetical population distribution of heights of all people in Texas.