# A - A&A Chapter 1 Numbers Descriptive stats used to...

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Descriptive stats : used to summarize and make understandable a group of numbers from a research study. Inferential stats : used to draw conclusions and make inferences based on the numbers from a research study, but that go further than the numbers. Numeric variables : the scores are numbers that tell you how much there is of what is being measured. Ex. 1-10 how stressed are you. Equal - interval variables : variables in which the numbers stand for about equal amounts of what is being measured. Ex . GPA Ratio - scale : EI variables are on a ratio scale if it has an absolute zero point. EI variables can also be discrete or continuous. Discrete variables can only have specific values. No intermediate values allowed. Continuous variables can have an infinite number of values. Time, height, weight are an ex. Rank order (ordinal) variables are variables in which the numbers stand only for relative ranking.

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A - A&A Chapter 1 Numbers Descriptive stats used to...

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