Question

The marks scored by 60 students in an examination in statistics are given below. From a frequency distribution with class intervals of 10 and calculate the arithmetic mean
6 10 58 56 0 25 32 35 35 9
78 17 60 50 35 38 30 10 48 5
68 48 35 30 31 41 23 23 50 71
19 25 35 40 46 42 45 25 60 41
35 36 38 35 33 46 28 31 35 42
46 38 39 45 48 50 28 29 31 55​

Answer 1

Answer:

123456789086 0e21 is 68