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SOCIOL 3H06 (9)

Marisa Young (7)

Lecture 8

This

**preview**shows pages 1-3. to view the full**80 pages of the document.**WEEK 5:

CENTRAL TENDENCY AND

VARIABILITY

Professor Marisa Young

October 6, 2014

*Exercise 1 DUE TODAY

*Exercise 2 & 3 now posted

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•Review

•Frequencies: class intervals

•Translation tools

•Rates, ratio’s, and percentiles

•Graphical representation

•Course data and codebook

•Today’s tutorial

•Frequencies and graphs (Lab 3)

LAST DAY’S CLASS

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TODAY’S LECTURE

•Required reading: Levin et al. Ch. 2 & 3

•Measures of central tendency

•Mean, median and mode

•Measures of dispersion

•Range, mean deviation, variance, standard

deviation

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