From the table given below, what is mean of marks obtained by 20 students?
Posted: Wed Jul 13, 2022 8:05 pm
Marks xi
No. of Students fi
3
1
4
2
5
2
6
4
7
5
8
3
9
2
10
1
Total
20
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a) 6.9
b) 5.8
c) 6.6
d) 6
No. of Students fi
3
1
4
2
5
2
6
4
7
5
8
3
9
2
10
1
Total
20
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a) 6.9
b) 5.8
c) 6.6
d) 6