Examlex
Which of these is NOT a form of electromagnetic radiation?
Expected Frequency
The anticipated number of times an event is predicted to happen within a specific time period, based on probability models.
Null Hypothesis
A statement in statistical hypothesis testing that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.
Total Sample Size
The number of observations or data points collected in a statistical sample.
Chi-Squared Test Statistic
A measure used in statistics that summarizes the difference between observed and expected categorical data to assess the evidence against a null hypothesis.
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