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Descriptive Statistics: Tabular and Graphical Displays
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Key ideas
- Mean, median, mode
- Variance, standard deviation
- Coefficient of variation
Example (data)
Suppose: 5, 6, 6, 9, 14
Excel
- Mean:
=AVERAGE(A1:A5) - Sample SD:
=STDEV.S(A1:A5) - Sample variance:
=VAR.S(A1:A5)