Question

The marks obtained 40 students of a class in an examination are given below; Prepare a frequency distribution table with class intervals starting from 0 - 10 8,47,22,31,17,13,38,26,3,34,29,11,22,7,15,24,38,31,21,35,42,42,24,45,23, 21,27,29,49,25,48,21,15,18,27,19,45,14,34,37,34.
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Answer 1

Answer:

ANSWER:

Arranging the given observations in ascending order, we get:

3, 7, 8, 11, 13, 14, 15, 15, 17, 18, 19, 21, 21, 21, 22, 22, 23, 24, 24, 25, 26, 27, 27, 29, 29, 31, 31, 34, 34, 34, 35, 37, 38, 38, 42, 45, 45, 47, 48, 49

Thus, the frequency distribution may be represented as shown below:

Marks Tally marks Frequency

0-10 ||| 3

10-20 |||| ||| 8

20-30 |||| |||| |||| 14

30-40 |||| |||| 9

40-50 |||| | 6

Total

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