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WorksheetsIntroduction to Psychological Statistics
Total questions: 19
Worksheet time: 19mins
Branch of mathematics that deals with the organization, summarization, analysis, and interpretation of group of numbers.
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A set of mathematical procedures for organizing, summarizing, and interpreting information
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Set of all individuals of interest in a particular study
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A value---usually a numerical value--- that describes a population (any measurement that describes a population)
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It is a sub-set of a population
Set of individuals selected from a population, usually intended to represent the population in a research study
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A value (usually a numerical value) that describes a sample
Average from the sample only
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Characteristics or condition that changes or has different values for different individuals
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Possible number or category that a score can have
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A particular person's value on a variable (also known as the raw score)
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(Plural) These are measurement or observations, multiple scores
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(Singular) one person a single measurement or observation and is commonly called a score or raw score
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Collection of measurements or observations (e.g. excel file with encoded score)
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(Describing data)
Are statistical procedures, used to summarize, organize, and simplify data
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Technique that allows us to study samples and then make generalizations about the populations from which they were selected
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Seperate, indivisible categories (e.g. numbers of students, etc.)
no decimal values
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Infinite number of possible values that fall between any two observed values
Measuring values
Have decimal values
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Two possible values when observed or measured
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The discrepancy, or amount of error that exists between a sample statistics and the corresponding population parameter
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The natural differences that exist, by chance, between a sample statistic and a population parameter are called ???
(a)
