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UNIT 1 - Coggle Diagram
UNIT 1
DESCRIBING A DISTRIBUTION
SHAPE
Symmetric, unimodal, bimodal, skewed.
CENTER
Mean (symmetrical) Median (skewed)
VARIABILITY
Standard deviation (symmetric) IQR (skewed)
OUTLIER
Identify potential outliers using q1-1.5IQR and q3+1.5IQR
Normal distribution
Z score=the number of standard deviations away from the mean
Empirical rule: 68-95-99.7
Describe using symmetry, bell shaped, and peaks
VARIABLES
CATEGORICAL
Assigns labels that palce each individual into a particular group
QUANTITATIVE
Takes number values that are quantities; counts or measurements.
Interpreting boxplots
Five number summary.
MEDIAN
Q1
MAX
Q3
MIN
