Normal Distribution

Introduction to Normal Distribution #2

We learned about the normal distribution in the first article. We will solve the practice problems shown in the first article to familiarize ourselves with this distribution Empirical Rule problem Find out the percentage of the following data from above example with mean 60 and standard deviation 15 and sample size 10,000. What percentage of shells have size below 75mm ?When looking at the empirical rule of normal distribution we… Read More »Introduction to Normal Distribution #2

Introduction to Normal Distribution #1

What is a Normal Distribution? The most commonly found distribution is known as the Normal Distribution. It takes the shape of the bell curve. The average value has the highest frequency and the frequency of values larger or smaller values than the average taper off in a descending curve. The Normal Distribution has a peculiar property where the mean = median = mode. The curve is seen to be symmetric… Read More »Introduction to Normal Distribution #1