Examlex
Which of the following is a Lewis base?
Chi-squared Test
The Chi-squared test is a statistical method used to determine if there is a significant difference between the expected and observed frequencies in one or more categories.
Test Statistic
A quantity derived from sample data used to make a decision about a hypothesis test.
Z
'Z' often represents the Z-score in statistics, which is the number of standard deviations a data point is from the mean of the data set.
Square
A polygon with four equal sides and four right angles.
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