Examining data using tables

2-1: Understand why researchers examine the data they’ve collected before conducting statistical analyses.

2-2: Construct frequency distribution tables and grouped frequency distribution tables.

Examining data using figures

2-3: Create pie charts, bar charts, histograms, and frequency polygons.

2-4: Know when to create a pie chart, bar chart, histogram, or frequency polygon for a set of data.

Examining data: Describing distributions

2-5: Understand three aspects that can used to describe distributions of variables.

2-6: Understand the difference between unimodal, bimodal, and multimodal distributions.

2-7: Understand the difference between symmetric and asymmetric (skewed) distributions.

2-8: Understand the difference between positively and negatively skewed distributions.

2-9: Understand the difference between peaked and flat distributions.