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What Is Cross Contamination and How Can We Avoid It

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What is cross contamination and how can we avoid it?


Definitions:

Expected Frequency

In statistics, it is the theoretical frequency of occurrence of an event based on the assumptions of a distribution model.

Groups

Collections or sets of individuals or objects that are studied in experiments, often defined by sharing certain characteristics or conditions.

Total N

Total N refers to the total number of observations or samples in a study or experiment.

Chi-square Statistic

A statistic used to assess the fit of an observed distribution to an expected distribution.

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