Z-Scores and the Standard Normal Distribution

The normal distribution is a continuous probability distribution that is symmetrical around its mean with most values near the central peak

The normal distribution is a theoretical distribution of values It is often called the bell curve because the visual representation of this distribution

normal distribution The visual appearance is given below Sample plot of the normal distribution Property of probability distributions is that area under curve equals one, A

normal distribution distribution of these absolute differences can range in shape from Cuthbert Daniel's half normal to the normal distribution as the limit