Week 2

Measures of Central Tendency

General Definition

Mode

Properties

Median

Calculation

Properties

Mean

Calculation

Raw

Grouped Data

Properties

Know when mean = median = mode

Effects of score transformations

Measures of Variability

General Definition

Range

Calculation

Properties

Deviation Scores

Calculation

Properties

Variance

General Formulas

Properties

Standard Deviations

General Formulas

Calculation

Deviation

Raw

Grouped Data

Properties

Effects of score transformations

Know how standard deviations relate to normal curve