Mean and standard deviation versus median and IQR | AP Statistics | Khan Academy
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- čas přidán 25. 08. 2024
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Learn to choose the "preferred" measures of center and spread when outliers are present in a set of data.
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AP Statistics on Khan Academy: Meet one of our writers for AP¨_ Statistics, Jeff. A former high school teacher for 10 years in Kalamazoo, Michigan, Jeff taught Algebra 1, Geometry, Algebra 2, Introductory Statistics, and AP¨_ Statistics. Today he's hard at work creating new exercises and articles for AP¨_ Statistics.
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My teachers are the reason im here
Me to
Facts
I've read so many articles and watched so many videos, but this is the first one that turned the light on and help me understand. Thank you.
I Honestly think that this man, Oh sorry Genius! is a excellent explainer. You are much better than any of my Teachers
This just all made sense. This helps a lot. Thanks a lot
Super informative, just what I was looking for thanks a lot.
This helped SO much!
Excellent explanation.
What is the difference between MAD and Standard Deviation?
very informative, thanks a lot
Awesome Explanation!
This is great!
Do you always use IQR as the measure of spread if median is the best measure of central tendency? Is this even if there aren't any outliars?
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Great, thanks!!
THANK YOU.
thank you!
can I just tell you I'm passing all my college math classes with A's because of you
The Standard Deviation would be 66.046; you divided 34897.56 by 9; however the formula states n-1. Since there are 9 numbers n=9 --> 9-1=8
Do you know what happens when there are 2 data sets, and one of the IQR is greater than the other? SO like, what does it mean when there is a high IQR vs. a low IQR?
Nice!
You didn't even touch on what the value of the SD represents on the chart. So you get a 75%
4:40 welp there goes the economy
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