Question

The mean of the data in the following table is 50. Find the missing frequencies a and b.

Class Intervals

10-30

30-50

50-70

70-90

90-110

Total

Frequencies

9

a

3

b

4

20

Now, if the mode of the given data is 21.2, then find the median.​

Answer 1

Answer:

please explain in briefly what you want to ask I can't understand now understand that find meridian so the meridian is 4