What is the quantifiable variation of measurements within a set of data. It could include measures of central tendency as well as variance or standard deviation.

What is the subscript for oxygen in its molecular formula

What human activity increases beach erosion?

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.