Examlex
All of the following are principal elements of marketing except
Goodness-of-fit Test
A statistical test used to determine if a set of observed frequencies differs significantly from the expected frequencies.
Test Statistic
A value calculated from sample data during a hypothesis test, used to make a decision about the null hypothesis.
Z
In statistics, 'Z' often refers to a Z-score, which measures the number of standard deviations a data point is from the mean.
Degrees Of Freedom
The count of distinct values or amounts that may change in a study without breaking any restrictions.
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