Examlex
The syndicated data source that deals with public opinions on social, political, and economic subjects is the
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.
Level of Significance
A predetermined value that indicates the probability of rejecting a true null hypothesis in hypothesis testing.
Chi-Squared Variable
A variable that follows the chi-squared distribution, typically used in tests of independence and goodness-of-fit.
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