Correct Answer - Option 2 : 128.8 m
Given:
Mean = 130.7 km and Mode = 125 km
Concept:
The empirical mean median mode relation is given as:
Mode = 3.Median - 2.Mean ----(1)
Calculation:
We have
Median = (Mode + 2.Mean)/3 [using (1)]
⇒ Median = (125 + 2 × 130.7)/3
⇒ Median = 128.8 km
Hence, The median for a moderately asymmetrical series having mode and mean as 125 km and 130.7 km respectively is 128.8 km.