The word mean, which is a homonym for multiple other words in the English language, is similarly ambiguous even in the area of mathematics. Depending on the context, whether mathematical or statistical, what is meant by the "mean" changes. In its simplest mathematical definition regarding data sets, the mean used is the arithmetic mean, also referred to as mathematical expectation, or average. In this form, the mean refers to an intermediate value between a discrete set of numbers, namely, the sum of all values in the data set, divided by the total number of values.

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## Understanding Quartiles, Median and Interquartile Range | Free Homework Help

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### Top 10 Types of Distribution in Statistics With Formulas

What are the mean, median, mode and range of the data set given the altitude of lakes in feet: —12, —9, —14, —39, —49, —49, —18, and —43? I don't know what questions the answers are for. Range is highest score minus lowest.

In statistics, the central tendency is defined as the typical or central value of the probability distribution. Primarily, we have three basic measurements of central tendency, namely, mean, median, and mode. Each of these measurements provides us with valuable information about the data set. We can use this information to how data points are related to each other in the data set.

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