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Introduction to Statistics (Variables and Scales (Quantitative (numerical)…
Introduction to Statistics
Variables and Scales
Quantitative (numerical)
Four scale types:
Nominal
ordinal
interval
ratio
Qualitative
Dichotomous is an example
Research Designs
Experimental
Independent Variables are manipulated
Dependent variables are measured
Correlational
Data is observed and analyzed to find relationships between factors
Populations and Samples
Population is all of a group
Samples are a subset
random
representative
convenience