Harry is building a model car. the actual car has a length of 15 feet and tires with a radius of 24 inches. his model car has a length of 1.25 feet. in order to create an accurate model, the radius of the tires on his model car should be a) 1.5 inches. b) 2 inches. c) 2.5 inches. d) 3 inches.

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?