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FSU / Statistics / STA 2023 / What is the symbol used to represent the mean?

# What is the symbol used to represent the mean? Description

##### Uploaded: 02/21/2017
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Review of Summary Statistics:Don't forget about the age old question of How do you find quartiles?

If you want to learn more check out What does acquired immunity mean?

Activity #1

★Enter data in calculator : stats edit L1

• subjects: who are we dealing with?
• Observation: what are we measuring?
• units of measurements

If you want to learn more check out What happens if you activate the sympathetic nervous system?

★Summary statistics: stat calc 1-VAR STATS ENTER

= mean/averageWe also discuss several other topics like Are limitations attached to the existing ownership of the land?

x = total of data valuesDon't forget about the age old question of What condition is characterized by compulsive drug seeking and use?

= total squared values

Sx = sample standard deviation

= population standard deviation If you want to learn more check out chamber that isolates the subject from the external environment

n = sample size

min X         = minimum value

= 1st quartile

Med = median

= 3rd quartile

max X = maximum value

uniform (symmetric) = the same # of data values in each class

bell-shaped (symmetric) = lot of middle values, less of low & high values

right-skewed (heavier on left) = more data in lower classes

less data in higher classes

left-skewed (heavier on right) = more data in lower classes, less data in higher classes, less data in lower classes

25%                     50%                      75%                        100%

min -                        - -                        - -                        - -                          - max

IQR

Range

R = range = max - min

IQR = interquartile range =

S # Summary : min, max

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