Department

GeographyCourse Code

GGR270H1Professor

Damian DupuyStudy Guide

FinalThis

**preview**shows half of the first page. to view the full**2 pages of the document.**GGR 270 – Lecture 1 – September 15, 2010

What are (is) statistics?

Any collection of numerical data

oVital statistics (birth rates, death rates)

oEconomic indicators (unemployment rates, income levels)

oSocial Statistics (poverty, crime rates)

Methodology for collecting, presenting and analysing data

oSummarize findings

oTheory validation

oForecast

oEvaluate

oSelect among alternatives

Descriptive vs. Inferential Statistics

Descriptive

oOrganization and summary of data

oReplace large sets of numbers with small summary measures

oGoal of techniques is to minimize information loss

Inferential

oLinks descriptive statistics to probability theory

oGeneralize results of smaller group to a much larger one

oUsing stats from small group to make conclusions about a large group

oGoal is to ‘infer’ something about a larger group by looking at a smaller one

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