The class marks of a frequency distribution are 128,
137, 146, 155, 164, 173 and 182
Use the information contained in EXHIBIT VI to
answer questions 53, 54 and 55.
53. The class size is (A) 11 (B) 8 (C) 9 (0) 10
54. The class boundaries of the second class is (A)
(137, 146) (A) (133, 141) (B) (134.5, 141.5)
55. The class limits of the last class are (A) (178, 186)