Examlex
The following data was collected as part of a study examining whether there is a difference between the number of hours men and women watch television. The values represent the number of hours a subject watched television on a designated Monday night. Lower values rank ahead of higher ones. Calculate
,
, and the z test value for the Wilcoxon rank sum test.
Graph
A visual representation of data or mathematical functions typically drawn with an x-axis and a y-axis in a coordinate system.
Linear Inequalities
Mathematical expressions involving inequalities (like <, <=, >, >=) that graph as straight lines and define regions in a coordinate plane.
System
In mathematics, a set of equations or inequalities involving the same variables.
Graph
A visual representation of data or mathematical functions, often displayed as points, lines, bars, or other shapes.
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