Shared Flashcard Set

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AP Psych
Statistical Evaluation
10
Psychology
Undergraduate 1
09/25/2013

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Cards

Term
Statistics
Definition
The branch of mathematics concerned with summarizing and making meaningful inferences from collections of data
Term
Descriptive Statistics
Definition
The branch of mathematics concerned with summarizing and making meaningful inferences from collections of data.
Term
Frequency distribution
Definition
An arrangement of data that indicates how often a particular score or observation occurs.
Term
Normal Curve
Definition
A type of frequency distribution shaped like a symmetrical, bell-shaped curve that represents a range of particular data scores.
Term
Central tendency
Definition
A number that describes something about the "average" score of a distribution.
Term
Variance
Definition
A measure of difference, or spread.
Term
Correlation coefficient
Definition
A statistic that describes the direction and strength of the relationship between two sets of variables.
Term
Inferential Statistics
Definition
Numerical methods used to determine whether research data support a hypothesis or whether results were due to chance.
Term
Statistical significance
Definition
Likelihood that a statistical finding is the result of something other than chance or coincidence.
Term
Standard deviation
Definition
A measure of variability that describes an average distance of every score from the mean of the scores.
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