The arithmetic mean and median are measures of central tendency that are commonly used to summarize a data set. The arithmetic mean is the average value of the data set, calculated by adding all the values and dividing by the number of values. The median is the middle value when the data is arranged in ascending order. If there is an even number of values, the median is the average of the two middle values.For the series of numbers [4,19,21,22,43,44,60,81,87,92], the arithmetic mean is 47.3 and the median is 43.5. This is because there are an even number of values in the series, so the median is calculated as the average of the two middle values 43 and 44, which is (43+44)/2=43.5. View Solution Guide

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