Either Table W or Table Z represents a proportional relationship. Table W x −2 −1 0 1 y 1 2 3 4 Table Z x −1 0 1 2 y −2 0 2 4 Plot the points from the table that shows a proportional relationship. can u help me with where to put the points

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?