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Graphical displayes, Dispresion, Central tendency - Coggle Diagram
Graphical displayes
Skewnes
Right (positive)
Left (negative)
Disturbance
Symmetrical
Uni-model
Bi-model
Multi-model
Non-symetrical
U-shape
Right skewnes
Left skewness
bars
Histogram متلاصقه
Y axis (relative frequency)
Interval / ratio
غير متلاصقة bar chart
Nominal
No set order
Bars not touch
Steam-and-leaf (stemplot)
Small data set (0-100)
يحافظ على القيم الفرديه preserve individual value
Frequency polygons
Histogram
Ogives, percentile, cumulative frequency
Dispresion
Range
Interquartile range
Standard deviation
Variance
Coefficient of variation
Central tendency
Mean (interval-ratio) ~ordinal
Median (ordinal-interval-ratio)
Mode (nominal-ordinal-interval-ratio)