Question

a
For the following table, the value of (a + b) is
Cumulative
Class Intervals Frequency
Frequency
(Marks (Number of
Obtained) Students)
(More than
Type)
0 - 10
2
60
10 - 20
10
20 - 30
25
b
30 - 40
20
23
40 - 50
3
3
निम्न तालिका के लिए (a + b) का मान है
वर्ग अन्तराल
बारम्बारता
संचयी
(प्राप्तांक)
(छात्रों की संख्या) | बारम्बारता
(से अधिक
प्रकार)
0 - 10
2
60
10 - 20
10
20 - 30
25
b
30 - 40
20
23
40-50
3
3
a​

Answer 1

Answer:

first is answer second is answer 3