Question

from the following table the arithmetic mean of marks
obtained by students is 25, then find the value of p .
Classinterval
0-10
10-20
20-30
30-40
40-50
Frequency
10
p
5
6
3
please give solutions ​

Answer 1

Total fi=25

10+p+5+6+3=25

P+24=25

p=1