Examlex
______________ focuses on the way we make media choices in order to satisfy our needs and goals.
Degrees Of Freedom
The number of independent values or quantities which can be assigned to a statistical distribution or calculation, affecting the shape of the distribution.
Confidence Interval
A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter, with a specified level of confidence.
Population Mean
The average of a set of characteristics (e.g., values or measurements) of every member in a population.
Sample Variance
A measure that quantifies the amount of variability or spread in a sample data set.
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