Central Limit Theorem: A sampling distribution of the mean is approximately normally distributed if the sample size is sufficiently large. This is true no matter what the population distribution is.

In statistics, a population refers to the entire group of individuals or items that we are interested in studying. However, collecting data from the whole population is often impractical due to size, ...

We have previously discussed the importance of estimating uncertainty in our measurements and incorporating it into data analysis 1. To know the extent to which we can generalize our observations, we ...

- An **element** is the entry on which data are collected. - A **population** is the collection of all the elements of interest. - A **sample** is a subset of the population. - A **sampling frame** is ...