I am extremely bored at this point in time. I would like to do something exciting and adventurous.
A singular verb would be used with a singular noun (she, Bob, Jane, truck) while a plural verb would be used with a plural noun (they, cars, books).
For example "The truck drives away." Truck being a singular noun and drives being a singular verb.
Another example
"The cars drive away." cars being a plural noun and drive being the plural verb.
Option 2 because the median of all the numbers is $37, so the median of Q1 is $18 and the median of Q2 is $48.50 so $48.50-$18= $30.50