5/2/2023 0 Comments Statistics cheat sheetMeasures of central tendency summarize your dataset into one “typical”, central value. Here, I will briefly discuss the different types, definitions, calculations, and uses of basic summary statistics known as “Measures of Central Tendency” and “Measures of Variation.” Measures of Central Tendency Some statistics are better than others, and which statistic you choose to summarize a dataset depends entirely upon the type of data you’re working with and your end goals. Statistics and summary statistics, as I mentioned, help us summarize a sample of data so that we can wrap our mind around the entire dataset. However, we almost never know about an entire population of anything, which is why we focus on studying samples and the statistics that describe those samples. (Easy to remember: Statistics and Samples start with the letter S, and Populations and Parameters start with the letter P.)Īnd if you know all there is to know about a population, then you wouldn’t be concerned with statistics. If you’re talking about a population of data, you’re usually dealing with parameters. Statistics are values or calculations that attempt to summarize a sample of data.
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