OUTLIERS & THE MEASURES OF VARIABILITY
Studied by 0 people
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt Play1/10
There's no tags or description
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No analytics yet
Send a link to your students to track their progress
11 Terms
Values that are quite different from the rest of the data. If numbers are outside of these limits, they are called…..
Outliers
Formula for Outliers
IQR = Q3 - Q1
Formula to find the upper and lower outliers.
Q3 + (1.5*IQR) for Upper
Q1 - (1.5*IQR) for Lower
Refers to how spread scores are in a distribution out, it refers to the amount of spread of the scores around the mean.
Variability
What are the ways of describing a variability spread?
Range
Interquartile range
Variance and Standard Deviation
The difference in the maximum and minimum values of a data set.
Range
Formula for Range
Range = maximum - minimum
The difference between upper and lower quartiles.
Interquartile Range
Formula for IQR
IQR = Q3 - Q1
The average squared distance from the mean.
Variance
The square root of the variance.
Standard Deviation
Note 
Flashcards (44)