7. Prepare a frequency distribution table of the following data taking 20—30 as one
of the class.
63, 86, 74, 81, 93, 56, 74, 68, 41, 56, 31, 68, 37, 31, 41, 68, 48, 92, 91, 47, 38, 56, 47,
56, 31, 47, 48, 38, 91, 57, 45, 63, 54, 63, 54
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Step-by-step explanation:
The following are the marks (out of 100) of 60 students in mathematics.16, 13, 5, 80, 86, 7, 51, 48, 24, 56, 70, 19, 61, 17, 16, 36, 34, 42, 34, 35, 72, 55, 75,31, 52, 28,72, 97, 74, 45, 62, 68, 86, 35, 85, 36, 81, 75, 55, 26, 95, 31, 7, 78, 92, 62,52, 56, 15, 63,25, 36, 54, 44, 47, 27, 72, 17, 4, 30. Construct a grouped frequency distribution table with width 10 of each class, in such a way that one of the classes is 10 - 20 (20 not included).
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