Relate Measures to Distribution Shape Practice Test

Maya recorded the number of minutes it took her to finish a puzzle on 7 days: 10, 12, 14, 15, 16, 18, 20. The data are symmetric around 15 and have no outliers. Which measures are most appropriate to describe the typical time and the variability?

A set of test scores is skewed right because a few students scored much higher than most students. Which statement best explains why the median is a better measure of center than the mean for these scores?