Question

"I will mark as brainly"
The median of 230 observation is 46. Find a and b.
CLASS FREQUENCY

10-20 12

20-30 30
30-40 a
40-50 65
50-60 b
60-70 25
70-80 18

Answer 1

Answer:

Step-by-step explanation:

There you go

Hope it helps : )