C280 Probability and Stats WGU

Exploratory Data Analysis (EDA) - 4 steps : 1. Producing data2.Exploratory data analysis3&4. Probability and Interface

Data : Pieces of information about individuals organized into variables.

Categorical Variables : Take category or label values, and place an individual into one of several groups.

Examining Distributions : Exploring data obtained from one variable at a time.

Bimodal distribution : When distributions have two modes.

Multimodal Distribution : When a distribution has three or more modes.

Boxplot : Graphically represents the distribution of a quantitative variable by visually displaying the five number summary, and any observation that was classified as a suspected outlier using the 1.5(IQR) Criterion

Standard Deviation : Quantifies the spread of a distribution in a completely different way.

Q->Q : Scatterplot

C->C : Two way table