An incomplete distribution is given as follows:
Variable: |
0β10 |
10β20 |
20β30 |
30β40 |
40β50 |
50 β 60 |
60 β 70 |
Frequency: |
10 |
20 |
? |
40 |
? |
25 |
15 |
You are given that the median value is 35 and the sum of all the frequencies is 170. Using the median formula, fill up the missing frequencies.