Two data sets are represented by the following dot plots. Comparative dot plots. The first number line is numbered one through 19 with one dot above two, two dots above three, one dot above four, one dot above six, one dot above 10, two dots above 11, two dots above 12, and one dot above 13. The second number line is numbered one through 19 with one dot above four, one dot above eight, three dots above nine, one dot above 10, one dot above 12, one dot above 13, two dots above 15, and one dot above 18. Which measure is the same for both data sets? median mode range mean