Question

The marks of 30 students of a class, obtained in a test (out of 75), are given below:42, 21, 50, 37, 42, 37, 38, 42, 49, 52, 38, 53, 57, 47, 2959, 61, 33, 17, 17, 39, 44, 42, 39, 14, 7, 27, 19, 54, 51.Form a frequency table with equal class intervals. (Hint : one of them being 0-10)

Answer 1

Answer:

frequency table created

Step-by-step explanation:

frequency table  is as below

Class        Frequency       Cumulative Frequency

0-10           1                      1

10-20        4                      5

20-30       3                      8

30-40       7                      15

40-50       5                      22

50-60       7                      29

60-70       1                        30

70 - 80     0                        30