The mean and the median are closely related concepts. The median is the numerical value separating the higher half of your data from the lower half. You can find the median by ananging all of the observations from lowest value to highest value and picking the middle value (assuming you have an odd number of observations). Although the mean and medan ans closely related, the afference between the mean and the median is sometimes of interest. Suppose country A has five families. Their incomes are $11,000, $21,000, $20.000, $39,000, and $40,000 Country A's median income is and its mean income is $ (Round your responses to me nearest dollar)