Question

Information about the age of participants in a robotics competition is in the image

The middle 50% of the data is between what two numbers?
16 and 33
13 and 31
11 and 33
11 and 16

Answer 1

I would say 11 and 16 but i think that the awnser could also be 13 and 33

Answer 2

11 and 33.............