Imani scores in the 70th percentile of her class on the latest math exam. what does this mean in relation to the data set, and what did she score on the exam?
(35, 42, 56, 68, 69, 70, 72, 77, 78, 78, 82, 85, 87, 88, 90, 93, 94, 96, 96, 99)

a) imani scored as well as or better than 70% of her classmates, with a score of 88

b) imani scored worse than 70% of her classmates, with a score of 72

c) imani scored as well as or better than 70% of her classmates, with a score of 72

d) imani scored worse than 70% of her classmates, with a score of 88