Question

32.
Frequency table of the marks obtained by 50 students is given below:
Marks
0-10
10-20
20-30
30-40
40-50
50-60
Number of students
3
f
20
10
5
f
If the mean of the marks is 31 find the missing frequenies f, and f,​

Answer 1

Answer:

3व्ऴ्फ्ज़्ग्ज्फ्शेज्ज्त्ज़्गेब्बेःर्व्क्ष्ज्ज्फ्द्म्व्।च्व्ङ्

Step-by-step explanation:

व्द्व्द्ङ्क्ष्म्ज्च्क्ब्रेअ।ग्फ्ज़्ग्द्ज्त्दन्तेअग्।द् फ्य्र्र्