Using colorful characters to explain the function of our organs in a straight-forward and age-appropriate manner--the gray Sir Rebrum relates The OrganWise Guys Club Rules (eat a low-fat, high-fiber diet, drink lots of water, and get regular exercise); the Kidney Brothers make clear that bodies need lots of water to keep blood clean; Peter Pancreas ...
Considerations for Choosing a Measure of Central Tendency. 1  For a nominal variable, the mode is the only measure that can be used. 2  For ordinal variables, the mode and the median may be used.  For interval-ratio variables, the mode, median, and mean may all be calculated.
Common measures of measures of central tendency are Mean, Median and Mode. Compare Dispersion. Definition The mean, median and mode of a set of data are measures of central tendency, i.e. they measure where the 'middle' of the data is. Also cal ed centrality. the range of a given data set is the difference between the largest number and the smal est. number in the data set.