A survey was conducted with high school students in
each grade to see how many participate in sports. The
data are shown below.
Which statement is true about the marginal frequencies
in this table?

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.