Almost all of the students' scores are below the average. Therefore, in this case the mean is not a good representative of the central tendency of this sample. The median, on the other hand, is the value which is such that half the scores are above it and half the scores below. So in this example, the median is 8. There are four scores below and four above the value 8. So 8 represents the mid point or the central tendency of the sample.
Definition of duct. 1 : a bodily tube or vessel especially when carrying the secretion of a gland. 2a : a pipe, tube, or channel that conveys a substanceb : a pipe or tubular runway for carrying an electric power line, telephone cables, or other conductors.
The thoracic duct, or the left lymphatic duct, is the largest of the body's lymphatic ducts.It collects almost all of the lymph that circulates throughout the body (the remainder is collected by the right thoracic duct); from there, the lymph flows back into the bloodstream.he thoracic duct is a structure roughly sixteen inches long located in the mediastinum of the pleural cavity which drains lymph fluid from everywhere except the upper right quarter of the body above the diaphragm and ...