An Introduction to Statistics for Librarians (Part Two):

Frequency Distributions and Measures of Central Tendency

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DOI:

https://doi.org/10.18060/27162

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Research Mentor, Frequency Distributions, Measures of Central Tendency

Resumen

In Part One of this column, the different types of data were discussed. Understanding the type of data is essential to interpreting them. If the type of data isn’t correctly identified, it’s not possible to answer some fundamental questions accurately. One of these fundamental questions is “what’s the average value?” This is often the building block for more advanced statistical tests. In statistical terms, this question is asking us for the central tendency of the data. The central tendency is a single value that represents the midpoint of the data set. It tells us what is “average” or “normal” in the data set. There are three different ways to measure central tendency: mode, median, and mean. The measure chosen will depend on the type of data and the distribution of that data.

Citas

Bakker CJ. An Introduction to Statistics for Librarians (Part One): Types of Data. Hypothesis Res J Health Inf Prof [Internet]. 2022 Aug 24 [cited 2022 Dec 17];34(1). Available from: https://journals.iupui.edu/index.php/hypothesis/article/view/26428

Illowsky B, Dean S. Measures of the Spread of the Data. In: Introductory Statistics [Internet]. Houston, TX: OpenStax; 2013 [cited 2022 Dec 17]. Available from: https://openstax.org/details/books/introductory-statistics

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Publicado

2023-03-30

Cómo citar

Bakker, C. (2023). An Introduction to Statistics for Librarians (Part Two):: Frequency Distributions and Measures of Central Tendency. Hypothesis: Research Journal for Health Information Professionals, 35(1). https://doi.org/10.18060/27162

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The Research Mentor

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