In a biology practice they have found that the number of worms that each working group has raised is modeled by the function f (x) = 2 + 1 where x is the number of weeks. If there are 5 groups in the class, how many worms will there be in total at the end of the week

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?