The values in a data set span from 60 to 90.If a researcher knows this, then the researcher is aware of the
A)standard deviation.
B)median.
C)mode.
D)range.

Question

Quizplus · Accepted Answer

The range of a data set refers to the difference between the largest and smallest values. In this case, the range would be 90-60=30. Knowing the range provides information about the spread of values in the data set. The other options (standard deviation, median, and mode) are measures of central tendency or dispersion that require additional information to calculate.

The Values in a Data Set Span from 60 to 90.If