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What are Data? Examples.

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Presentation on theme: "What are Data? Examples."— Presentation transcript:

1 What are Data? Examples

2 Define the term Data

3 Data consist of values for a variable from an individual in a sample.

4 Lunch Example: Lunch Expenditure data for a week in graduate school. M
Th F $4.32 $3.57 $7.93 $3.20 $3.97

5 Medical Study, baby crying
Example: Data collected on babies crying at night. What are some of the variables that might be collected from the families participating in the study?

6 Baseball Pete Rose Babe Ruth, Josh Gibson, Rodger Maris, Mark McGwire, Sammy Sosa, Barry Bonds

7 StatCrunch StatCrunch Sample Datasets


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