Examlex
Explain what the phrase "degrees of freedom" refers to and discuss how it relates to the accuracy of an estimate.
Two Categories
A classification into two distinct groups or divisions based on specific criteria.
Chi-squared Test
An analytical procedure utilized to check for a significant connection between two variables that are categorized.
Categories
Distinct groups or classifications into which data or objects can be organized.
Normal Distribution
A bell-shaped frequency distribution curve that is symmetric about the mean, showing that data near the mean are more frequent in occurrence.
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