Examlex
A sample of n = 7 scores has SS = 42.The variance for this sample is s² = 6.
Sample Mean
The average of a set of numerical values taken from a sample.
Grouped Data
Data that has been organized into groups or categories, often to simplify analysis and identify patterns within the data set.
Ungrouped Data
Data that has not been organized into groups or categories and is presented in its raw form.
Bell-Shaped
Describes the graphical shape of a distribution that is symmetrical and has a single peak in the middle, resembling a bell; commonly associated with the normal distribution.
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