1.

Construct a frequency table with class-intervals 0-5 (5 noe included) of the following marks obtained by a group of 30 students in an examination :0, 5, 7, 10, 12, 15, 20, 22, 25, 27, 8, 11, 17, 3, 6, 9, 17, 19, 21, 29, 31, 35, 37, 40, 42, 45, 49, 4, 50, 16.

Answer»
MarksNo. of students
0 - 53
5 - 105
10 - 153
15 - 205
20 - 253
25 - 303
30 - 351
35 - 402
40 - 452
45 - 503


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