Examlex
Which of the following forces is the dominant cause of mass movement?
Test Statistic
A value calculated from sample data during a hypothesis test. It is used to determine whether to reject the null hypothesis.
Chi-squared
A statistical test used to determine if there is a significant difference between observed frequencies and expected frequencies in categorized variables.
Critical Values
Specific points in the distribution of the test statistic beyond which the null hypothesis is rejected in hypothesis testing.
Degrees of Freedom
The number of values in a calculation that are free to vary without violating any constraints applied to the dataset, often impacting statistical significance testing.
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