Mark is on the wrestling team. He weighs 125 pounds but wants to gain some weight. Each week for 4 weeks Mark gains 2.5 pounds.
What is Mark's percent of increase in weight?
7%
6%
8%
9%

Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?