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 vagina is the female body part that connects the womb (uterus) and cervix to the outside of the body. The vagina is a muscular tube lined with mucous membranes. Its opening is between the urethra (where urine leaves the body) and the anus. Menstrual blood leaves the body through the vagina. The vagina also allows for sexual intercourse, and it is the passageway a baby goes through when it is born. Inflammation of the vagina is known as vaginitis.