A lake contains brown trout and rainbow trout. A naturalist caught and released fish in the lake. She caught 6 brown and 9 rainbow trout. She estimates that there are 450 trout in the lake. If the naturalist's sample represents the lake's population, how many of the estimated 450 trout in the lake are rainbow trout?

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?