Stats Standard Deviation
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μ
Symbol for population mean
σ
Symbol for population standard deviation
Mean
The Average
Sample
A part of population
data
Information used to draw conclusions
Statistics
The collection, organization, and interpretation of data
Median
The middle number after a set of data is organized from lowest to highest.
Mode
The number that appears the most
5-number summary and standard deviation
Two methods that measure the spread of a set of data.
Outlier
an observation that is numerically distant from the rest of the data
σ²
symbol for population variance
- X
symbol for sample mean
S
symbol for sample standard deviation
S^2
symbol for sample variance
Range
the difference between the greatest data value and the least data value
