Examlex
Chi-squared tests for independence and chi-squared tests for homogeneity lead to the same conclusions.
Total Number
The aggregate or sum count of items or entities in a set or dataset.
Data Set
A collection of data, often presented in tabular form, consisting of variables and observed or measured values.
Class Width
The difference between the upper and lower boundaries of any class (or category) in a frequency distribution.
Frequencies
A rephrased definition: The rate or number of times a particular data value or event occurs within a specific data set or sample.
Q2: Three methods for random sampling are: (a)
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