a. The following are the marks ( in percentage) of forty candidates in an examination. 12, 17, 16, 38, 14, 12, 48, 32, 12, 15, 36, 46 28, 64, 24, 27, 26,36, 15, 52, 38, 39, 47, 36, 15, 57, 39, 29, 42, 28, 6, 5, 45, 44, 29, 58, 23, 36, 28, 82. Draw a fratency distribution table equal intervals of 5-14, 15-24,... 75- 84.
