Using the Standard Deviation as a Measure of Dispersion

Using “Standard Deviation” as a Measure of Data Spread or Dispersion A measure of dispersion tells you the spread of the data. This is important to know the spread of your data when describing your data set. Most describe a set of data by using only the...

Using the Range as a Measure of Dispersion

Using “Range” as a Measure of Data Spread or Dispersion A measure of dispersion tells you the spread of the data. This is important to know the spread of your data when describing your data set. Most describe a set of data by using only the mean or median...

Using the Mode as a Measure of Central Tendency

Using “Mode” as a Measures of Central Tendency A measure of central tendency is a single value that describes the way in which a set of data cluster around a central value. In other words, it is a way to describe the center of a data set. The three main...

Using the Median as a Measure of Central Tendency

Using “Median” as a Measures of Central Tendency A measure of central tendency is a single value that describes the way in which a set of data cluster around a central value. In other words, it is a way to describe the center of a data set. The three main...

Using the Mean as a Measure of Central Tendency

Using “Mean” as a Measures of Central Tendency A measure of central tendency is a single value that describes the way in which a set of data cluster around a central value. In other words, it is a way to describe the center of a data set. The three main...

Hypothesis Testing Cheat Sheet

Hypothesis Testing Cheat Sheet   In this article, we give you a Hypothesis Testing Cheat Sheet for understanding the Null Hypothesis and the Alternative Hypothesis of the key hypothesis tests in our Lean Six Sigma Green Belt and Lean Six Sigma Black Belt courses. You...