A local pet store sells a variety of animal supplies and pet accessories. The pet store has different sections for dogs, cats, birds, fish, reptiles, and other exotic pets.
1. A clerk at the pet store kept track of the number of fish purchased by customers during one week. Mary bought 1 fish, Ari bought 20 fish, Rodney bought 4 fish, Carissa bought 3 fish, Jacob bought 4 fish, Jack bought 1 fish, Jaleesa bought 2 fish, Andrea bought 5 fish, Geoff bought 1 fish, Becky bought 4 fish, Molly bought 1 fish, David bought 2 fish, Gina bought 7 fish, James bought 1 fish, Anessa bought 2 fish, Ted bought 1 fish, Sean bought 2 fish, Kerri bought 11 fish, Sammy bought 3 fish, Jameson bought 2 fish, Theresa bought 2 fish, Luz bought 2 fish, Tracy bought 4 fish, Jackson bought 5 fish, and Celia bought 7 fish.
(a) Complete a line plot that shows how many customers purchased specific numbers of fish. (2 pts)

(b) What number of fish has the highest frequency? (1 pt)
(c) What is the total number of fish purchased during the week? Explain and show your work. (1 pt answer, 1 pt for showing work)
(d) Which value in the data set is an outlier? (1 pt)