Correct Answer - Option 3 : 31
Given :
There are 5 girls
Their marks are 20, 27, 37, 32 and 31
Concept used :
Median = Middle value of the data set
Calculations :
First arrange all values in ascending order
Arranged set in ascending order = 20, 27, 31, 32 and 37
Median = Middle value of the set
⇒ = 31
∴ The Median of this set is 31