dose. n. 1. (Pharmacology) med a specific quantity of a therapeutic drug or agent taken at any one time or at specified intervals. 2. something unpleasant to experience: a dose of influenza.ose. 1. a quantity of medicine prescribed to be taken at one time. 2. an intense and often disagreeable experience: a dose of bad luck. 3. an amount of sugar solution added in the production of sparkling wine.
This section defines the three most common measures of central tendency: the mean, the median, and the mode. The relationships among these measures of central tendency and the definitions given in the previous section will probably not be obvious to you.
The mean is the most widely used measures of central tendency, because it is the measure of central tendency that is most often used in inferential statistics. However, as you will see at the end of this section, the mean does not always provide the best indication of the typical score in a distribution.