Respuesta :

Put the numbers in order
4 5 7 9 11 12 12 14

Find median 9+11=20/2 so 10

Now find median for the first 1/2 of numbers and the second half
6       12

Find difference     12-6=6
IQR=6

Answer:

Put the numbers in order

4 5 7 9 11 12 12 14

Find median 9+11=20/2 so 10

Now find median for the first 1/2 of numbers and the second half

6       12

Find difference     12-6=6

IQR=6