Examlex
Identify the percentage of a radioactive sample that remains after five half-lives.
Test Statistic
A standardized value used in statistical hypothesis testing to decide whether to reject the null hypothesis.
Critical Value
A statistical threshold value used in hypothesis testing to determine whether to reject the null hypothesis, based on the desired level of significance.
Contingency Table
A table used in statistics to show the frequency distribution of variables, and analyze the relationship between categorical variables.
Qualitative Variables
Variables that categorize or describe attributes or properties of objects, individuals, or conditions, without using numerical values.
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