Q: The following data give the points scored in a tennis match by two players X and Y at the end of twenty games:

(10,12) (12,11) (7,9) (15, 19) (17,21) (12, 8) (16, 10) (14, 14) (22,18) (16,14) (15,16) (22,20) (19,15) (7,18) (11,11) (12,18) (10,10) (5,13) (11,7) (10,10)

Taking class interval as: 5-9, 10-14, 15-19,., for both X and Y, construct Bivariate frequency distribution.