Examlex
Which of the following is correct?
Null Hypothesis
A statistically formulated assertion that posits no relationship or difference between two or more groups or factors, serving as a default position until evidence suggests otherwise.
Chi-Square Test Statistic
A value derived from the chi-square test, representing the sum of the squared differences between observed and expected frequencies divided by the expected frequencies.
Goodness-Of-Fit Test
A statistical test used to determine how well observed sample data fit a distribution from a population with a normal distribution.
Expected Frequency
The number of times an outcome is predicted to occur in an experiment or trial based on probability theory.
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