Examlex
__________ refers to the dissonance aroused after we have chosen between two or more alternatives.
Degrees of Freedom
A statistical concept that defines the number of independent pieces of information in a dataset used in parameter estimates.
Population Variances
The measurement of how much the numbers in a specific population are spread out from their mean.
Test Statistic
A value calculated from sample data that is used in hypothesis testing to determine whether to reject the null hypothesis.
Confidence Interval
An interval of figures obtained from statistics of a sample, expected to include the value of a hidden population parameter.
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