Which measure would be the most appropriate to describe the center of the data in the histogram below? A bar graph entitled Daily High Temperatures has high temperatures on the x-axis and number of days on the y-axis, from 0 to 20. Temperatures were between 50 and 54 on 2 days; between 55 to 59 on 3 days; between 60 and 64 on 3 days; between 65 to 69 on 18 days; between 70 to 74 on 3 days. a) mean b) range c) median d) interquartile