The ages and grades of some of the 18 girls on a club soccer team are shown in the table.

15 years old 16 years old
9th grade 2 0
10th grade 10
10Which two-way frequency table correctly shows the marginal frequencies?


A.
15 years old 16 years old Total
9th grade 2 0 2
10th grade 16 10 26
Total 18 10 28
B.
15 years old 16 years old Total
9th grade 2 0 2
10th grade 6 10 16
Total 10 10 18
C.
15 years old 16 years old Total
9th grade 2 0 2
10th grade 6 10 16
Total 8 10 18
D.
15 years old 16 years old Total
9th grade 2 0 2
10th grade 8 10 18
Total 10