Examlex
In retrospective research designs, data are collected about past attributes or experiences of participants.
Variance
A statistical measurement of the spread between numbers in a data set, indicating how far each number in the set is from the mean.
Covariance
A measure that indicates the extent to which two variables change together, indicating the direction of their linear relationship.
Linear Relationship
A type of relationship between two variables where a change in one variable is associated with a proportional change in the other.
COV
COV refers to the coefficient of variation, a statistical measure of the relative dispersion or variability of a data set relative to its mean, expressed as a percentage.
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