Lung nodules are usually about 0.2 inch (5 millimeters) to 1.2 inches (30 millimeters) in size. A larger lung nodule, such as one that's 30 millimeters or larger, is more likely to be cancerous than is a smaller lung nodule.
In statistics, mean absolute deviation is a one of the ways to describe the variability of quantitative data. Mean absolute deviation is used to measure the average amount by which all values in a data set vary from their mean.
The term deviation denotes difference of data value from mean Mean deviation is arithmetic average of absolute values of all deviations No conventional symbol Mean Deviation = { X - } / N Not used in practice Not readily amenable to computational use Invaluable for explaining meaning of standard deviation. î î î.