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Statistics Terms

TermDefinition
Median is the middle data value.
Mode the value that occurs most often
Range is the difference of the largest value and the smallest value.
Mean the average of the data
IQR the distance from Q1 and Q2
Outlier a data point that varies significantly from the rest of the data
skewed-left long tail extending to the left
skewed-right long tail extending to the right
symmetricial perfectly symmetrical histogram
bi-modal histogram has 2 "humps"
uniform the distribution of the data is all equal
mean absolute deviation average distance that the data points are from the mean
sample size the number of data points collected in the sample
Q1 median of lower half
Q3 median of upper half
probability the likelihood that an event will happen
impossible when an event has 0% chance of happening
certain event will definitely happen
equal probability when an event has a 50/50 chance
likely when the event is between 1/2 and 1
unlikely when the event is between 0 and 1/2
complement the opposite of the event, it includes all the outcomes that are not part of the original event
Created by: user-1970010
 

 



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