To the right are the lengths, in minutes, of the 25 most popular movies, as voted on by visitors to a website devoted 142 195 201 139 106 to movies. 175 96 121 130 109 a. (5) Make a stemplot of these data. 200 133 102 178 165 161 124 146 115 118 154 152 207 112 136 (5) The mean of this distribution is 144.7 and the median is 139. Explain why you could have predicted that the mean would be higher than the median by looking at the stemplot. (5) The longest movie on the list, at 207 minutes, is Akira Kurosawa's classic The Seven Samurai. Suppose its place on the list was replaced by Andy Warhol's Sleep, which is 321 minutes of a man sleeping. Without performing any calculations, indicate whether each of the following measures of center and spread would increase, decrease, or remain the same. mean: increase decrease stay the same median: increase decrease stay the same standard deviation: increase decrease stay the same interquartile range: increase decrease stay the same mode: increase decrease stay the same