Question

each of sixty - eight students in grades 1 through 3 was asked, \can you swim?\ here are the results. 12 students in first grade, 13 students in second grade, and 18 students in third grade can swim. 7 students in first grade, 10 students in second grade, and 8 students in third grade cannot swim. construct a two - way frequency table for the data.

Explanation:

Step1: Fill in the 'Can swim' row

For first - grade students who can swim, it's 12. For second - grade students who can swim, it's 13. For third - grade students who can swim, it's 18.

Step2: Fill in the 'Cannot swim' row

For first - grade students who cannot swim, it's 7. For second - grade students who cannot swim, it's 10. For third - grade students who cannot swim, it's 8.

Answer:

	First grade	Second grade	Third grade
Cannot swim	7	10	8