'There's a huge misconception that if someone sneezes a lot then they must have hay fever,' says Dr Adrian Morris of the Surrey Allergy Clinic. From dogs to dust mites and pollen to latex, it's thought that 40 per cent of us suffer from an allergy.
The mean absolute deviation is the average of the positive distances of each point from the mean. The larger the MAD, the greater variability there is in the data (the data is more spread out). The MAD helps determine whether the set's mean is a useful indicator of the values within the set.
Show more usage examples... The mean absolute deviation of the statistical figure we are referring to was greater than we had expected so we conducted more analysis. 6 people found this helpful. I had to figure out the mean absolute deviation because my dad could not and that made me angry cause I knew not how to do it. 7 people found this helpful. Jose used the mean absolute deviation of a chart of his portfolio's growth to determine precisely how much his return varied each year. 6 people found this helpful.