The cause of gastrointestinal problems for dogs is often related to their tendency to eat things they shouldn't, while cats may suffer digestive system upset as a result of parasites in their prey. For cats and dogs, studies show that a healthy population of gut bacteria is vital to a fit gastrointestinal tract.
In the simplest box plot the central rectangle spans the first quartile to the third quartile (the interquartile range or IQR). A segment inside the rectangle shows the median and whiskers above and below the box show the locations of the minimum and maximum.he box plot (a.k.a. box and whisker diagram) is a standardized way of displaying the distribution of data based on the five number summary: minimum, first quartile, median, third quartile, and maximum.
The interquartile range is what we can use to determine if an extreme value is indeed an outlier. The interquartile range is based upon part of the five number summary of a data set, namely the first quartile and the third quartile. The calculation of the interquartile range involves a single arithmetic operation.