2  Introduction to Data and Univariate Descriptive Statistics

2.1 2.1 Types of Variables

Numerical Vs Categorical

Numerical: Continuous VS Discrete

Continuous: Interval VS Scale

Categorical: ordinal vs nonminal

Include definitions, examples

Load the data from Chapter 1

2.2 2.2 Mean, Median, Mode

2.3 2.3 Spread: Range, IQR, SD

2.4 2.4 Visualizing Univariate Data

Bar Chart

Histograms & Density Plots