Sxx, Standard Deviation, and Variance | Statistics

Описание

We show how to find Sxx for a data set, and how to use Sxx to find the standard deviation and variance. We'll use the formula for Sxx that is the sum of the squared deviations, and we'll use a shortcut formula which is the sum of the squares minus the squared sum divided by n. We'll do this by hand, and show how to calculate Sxx on a calculator. #Statistics

0:00 Introducing Formulas
2:54 Calculating Sxx
5:05 Using Sxx for Standard Deviation and Variance
6:02 Using Shortcut Formula for Sxx
8:04 Calculating Sxx with Calculator

Finding Sxx with Calculator: https://youtu.be/kepls9TXnx8

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