# QNT 275 Week 3 participation Essentials of Business Statistics, Ch. 6

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QNT 275 Week 3 participation Essentials of Business Statistics, Ch. 6

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# QNT 275 Week 3 participation Essentials of Business Statistics, Ch. 6

One of my Favorite Chapters! (Normal Distribution)

Team

This is one of my favorite aspects of statistics. It is called Normal Distribution and it is at the epicenter of statistical and hypothesis testing. I am going to explain Normal Distribution in more detail below and provide you with a lot of fun examples for you to walk through that illustrate how to find the Area of Curve which is directly associated to Normal Distribution:

What is Normal in the world of statistics?

You may be wondering this on a daily basis while in this class? Not really!

Under the normal curve, our distribution of scores is called the Empirical Rule and it is as follows:

The Robust Empirical Rule:

68% of all observations are within 1 standard deviation away from the mean

95% of all observations are within 1.96 standard deviations away from the mean

95.44% of all observations are within 2 standard deviations away from the mean

99% of all observations are within 2.57 standard deviations away from the mean

99.7% of all observations are within 3 standard deviations away from the mean

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