Using Statistics 3.29

# Using Statistics 3.29 - Using Statistics PSYC E226 Click to...

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Click to edit Master subtitle style 6/3/11 Using Statistics PSYC E226 Research Methods 3/29/2010

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6/3/11 Learning Objectives l Know the difference between a statistic and parameter l Know how descriptive statistics are used l Be familiar with frequency distributions l Know three measures of central tendency
6/3/11 What are Statistics? l Help us put together all of the information we get from research (data) l Communicate them in a standard way to other scientists l Decide whether the hypothesis was

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6/3/11 Kinds of Statistics l Descriptive Statistics organize, summarize, and simplify results of studies Usually involve one variable l Inferential Statistics use probability to assess whether results can be generalized to the population
6/3/11 What is a Statistic? l A statistic is a summary value for your sample The average age of people in this classroom is 21. l A parameter is a summary value that describes a population The average age of college students is 20.5

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6/3/11 Descriptive Statistics l We will cover several types of
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## Using Statistics 3.29 - Using Statistics PSYC E226 Click to...

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