explain the difference between univariate, bivariate, and multivariate.
uni=1, bi=2, and multi=3 or more variables included in the analysis
200
Explain the 4 levels of measurement
nominal (categories), ordinal (ordered ranking), interval (ordered with set differences from 1 value to the next), and ratio (interval with a true zero measure)
300
Which statistic is used to measure proportionate reduction in error for ordinal variables?
gamma
400
What do parametric tests tell us?
statistical significance of relationships between variables
500
explain the difference between descriptive and inferential statistics
descriptive are simply describing the data at hand, whereas inferential is attempting to show that the sample data should hold true for the larger populations