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Questions that seek a conceptual or non-mathematical understanding of statistics.
1
vote
0
answers
126
views
Concrete example of what Sufficient Statistics is [closed]
Having read articles to try to understand Sufficient Statistics.
Sufficient statistics for layman
A sufficient statistic summarizes all the information contained in a sample so that you would make …
3
votes
1
answer
671
views
Is it really appropriate to say "standard deviation" is variation or dispersion
Question
I have been struggling to convince myself that SD (standard deviation) is about variation or dispersion.
Standard deviation From Wikipedia, the free encyclopedia
In statistics, the standard …
2
votes
0
answers
819
views
Explanation on why SD is better than MD [duplicate]
Trying to understand why Standard Deviation (SD) is widely accepted as a measure of dispersion instead of Mean Deviation (MD) $\frac {1}{N}\sum|X-\mu|$.
Revisiting a 90-year-old debate: the advantages …
1
vote
How would you explain Markov Chain Monte Carlo (MCMC) to a layperson?
What can be confusing when learning MCMC
Text book or article that:
Immediately starts with math formulas on how to do MCMC with no intuition nor idea behind explained. … Related
Youtube video Markov Chain Monte Carlo gives the intuition that MCMC is like a mountain trekking to figure out the shape by random-walk the mountain. …
2
votes
Bottom to top explanation of the Mahalanobis distance?
STAT 505 Applied Multivariate Statistical Analysis - 4.6 - Geometry of the Multivariate Normal Distribution
(PP 6.7) Geometric intuition for the multivariate Gaussian (part 2)
Deriving the formula …