Descriptive Statistics in Archaeology
Channel: The Archaeologist's Laboratory
Date: 2021-09-12

This video reviews some of the more obvious descriptive statistics that archaeologists use, such as mean, median, standard deviation, and proportions, but also introduces some that are underused in archaeology, such as trimmed mean and median absolute deviation.


For more information about qualitative variation in nominal scales (variation around the mode), see
https://en.wikipedia.org/wiki/Qualitative_variation#ModVR

or 
https://www.youtube.com/watch?v=oQCqaS1ICwk

My book, The Archaeologist's Laboratory: 
https://link.springer.com/book/10.1007/978-3-030-47992-3

Chapters
00:00 Introduction
01:50 Central Tendency
02:42 Mode
04:25 Median
05:44 Mean
06:28 Summary of Central Tendency
07:53 Trimmed Mean
09:31 Measures of Dispersion
10:09 Dispersion in Nominal (Category) Data
10:19 Diversity
11:08 Wilcox's ModVR
11:43 Range
12:37 Interquartile Range (IQR)
13:02 Median Absolute Deviation (MAD)
13:19 Differences between IQR and MAD
13:51 Standard Deviation
14:45 Differences between Standard Deviation and MAD
15:10 Trimmed Standard Deviation
15:34 Coefficient of Variation (CV)
15:52 Relative MAD
16:00 RCVm
16:11 Proportions
17:51 Percentages
17:57 Standard Deviation of a Proportion
18:30 Interpretation
20:15 Inferential Statistics: Comparisons of Samples
21:04 Summary
21:45 Credits

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