stats ch1 displaying data

# stats ch1 displaying data - Displaying Data There are 2...

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Displaying Data There are 2 branches of statistics Descriptive – to summarize data Inferential – to draw conclusions and make inferences about situations or people other than those on which the data are based.

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Basic Concepts Variable – a condition or characteristic that can have different values (that can vary) Value – a number or category which a variable may take on Score – a particular individual’s value on a variable
Levels of measurement Numeric (quantitative) variables may be either equal-interval (interval) or rank-order (ordinal). Nominal (qualitative) variables are categorical in nature. They simply name. Distinguishing these types of variables will be essential to your ability to use SPSS for data analyses.

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Example Number of children in a family is a numeric variable. The values can range from 0 to X (the highest number of children possible). They are meaningful and ordered. John’s family has a score of 4. There are 4 children in his family.
Type of neighborhood (urban or country) is a nominal variable. The values we use to specify neighborhood

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## This note was uploaded on 10/12/2008 for the course PSY 385 taught by Professor Mannes during the Fall '08 term at Widener.

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stats ch1 displaying data - Displaying Data There are 2...

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