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The following are a list of ages of players on a baseball team: 19 39 31 20 22 39 30 27 25 Please make a dot-plot of these ages. 19 39 31 20 22 39 30 27 25 1. Select a single number to represent all of the numbers graphed above. 2. Select a single number to represent the center of this distribution. Explain how you chose each of these numbers. Three Methods to Measure the Center of a Distribution • Mean - The ordinary “average”, found by adding all up all of a given set of numbers and dividing by the amount of numbers added. • Median - The middle number once all of the numbers are arranged in order from smallest to largest. • Mode - The number that appears the most frequently in a set of numbers. Find the Mean, Median and Mode of this set of numbers: 19 19 39 30 + + 31 20 20 31 Mean: 252 9 Median: 27 + + 22 22 39 39 39 + + 30 25 27 39 39 27 + 25 27 = 252 Middle Number = 28 Mode: 29 Find the Mean, Median and Mode of the Following Numbers: 12 42 17 29 81 26 19 40 47 66 24 37