Progesterone, made by the corpus luteum (ruptured follicle) after the egg is released, stimulates the glands in the endometrium to begin secreting their nourishing substance. This is the secretory phase of the cycle and is the only time when a fertilized egg can implant in the lining.
Mean: The mean is the average of a set of numbers, determined by adding them together and dividing by how many numbers are present. Median: The median is the middle value between the smallest and largest of a set of numbers. Mode: The mode is the number that appears most often in a data set. It only has significance if numbers are repeated. Range: The range is the difference between the largest and smallest numbers.
Definition of Median. Median is the middle data value of an ordered data set. 1  If there are two middle values, then the median is the mean of the two numbers. 2  There will be two middle values when the number of values in the data set is even.  12, 23, 8, 46, 5, 42, 19. Mean =.