Examlex
Content standards, such as those developed by the National Council of Teachers of Mathematics provide which of the following for teachers?
Two-Way Tables
Two-way tables categorize data into two dimensions, helping to analyze the relationship between two categorical variables.
Null Hypothesis
A default statement that there is no effect or no difference, used as a starting point for statistical hypothesis testing.
Degrees of Freedom
The number of independent values or quantities which can be assigned to a statistical distribution.
Chi-square Statistic
A statistical measure used to determine if there is a significant difference between the expected frequencies and the observed frequencies in one or more categories.
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