T, 2/21: NO LAB - CH2.2: Central Tendency

Due: your individual SPSS datasets by noon today!

In-class: lecture

• Modality of a Distribution

• Skewness

• Measures of Central Tendency

• Quartiles, Deciles, and Percentiles

• see Topic 4

Th, 2/23: CH2.3: Variation

Due: TopH CH2 HMWK: due 2/23

In-class: lecture

• Dispersion of Scores (Variability)

• Population Variance and Standard Deviation

• Sample Variance and Standard Deviation

• Rounding Rules

• Case Study: Statistics Aren't the Whole Story

• see Topic 4