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.
Here is the information in bar graph form: Central tendency. Central tendency refers to the idea that there is one number that best summarizes the entire set of measurements, a number that is in some way central to the set. The mode.The mode is the measurement that has the greatest frequency, the one you found the most of.he median. The median is the number at which half your measurements are more than that number and half are less than that number. The median is actually a better measure of centrality than the mean if your data are skewed, meaning lopsided.