V
Variable measurements
Variables are unavoidable in statistical studies and reports. Among the messages required in reports, measuring and reporting on variables helps to frame the validity of outcomes and conclusions drawn. Variables define a range of possible outcomes as a means for measurement.
Once a range of possibilities for variables is defined, the next question is whether an upper limit can also be assumed, in order to define a finite range for the variable. The more complex the field of data being studied, the higher the potential level of variability. It may be necessary to assume an upper limit that represents a reasonable estimate. For example, in a study of 1,000 consumers regarding product preference, a carefully structured testing ...
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