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.
-If you multiply all data by 4, mean is multiplied by 4-Sum of deviations from the man will equal zero-Outliers affect mean, not resistant to extreme observations, thus mean may not be the best-Considered reliable measure of central tendency as show less fluctuation than medians and modes from sample to sample