Question

Calculate the missing freguericy from the following data
No of tablets
4-8
1.12.16
16-20
20-24
24-28
No. of persons cured
13
16
14
2
No on tablets
28-32
32-36
36-40
No. of persons cured
1971
16
4
The average number of tablets to cure fever was 19.9.​

Answer 1

Answer:

10 tables are of 16 than

10f would be =16/10=1•6

than 4 are of =4×1.6=6…4rs