The marks obtained by 30 students of Class X of a certain school in a Mathematics paper
consisting of 100 marks are presented in table below. Find the mean of the marks obtained by the students
Answers
Step-by-step explanation:
the answer of these question is 59.3
Answer:
(i) The mean marks obtained by students is 59.3
Step-by-step explanation:
marks obtained(x) f fx
10 1 10
20 1 20
36 3 108
40 4 160
50 3 150
56 2 112
60 4 240
70 4 280
72 1 72
80 1 80
88 2 176
92 3 276
95 1 95
30 1779
mean = 59.3
The mean marks obtained by students is 59.3