Respuesta :
Answer:
19
Step-by-step explanation:
Median is the middle number when they are lined up from smallest to largest
13,13,13,17,21,28,29,31,
There are 8 numbers
13,13,13,17, | 21,28,29,31,
The middle is here
Add up the two numbers on either side and divide by 2
(17+21) /2
19
Answer:
19 footballs
Step-by-step explanation:
First sort the data
13 13 13 17 21 28 29 31
Median is: (17+21)/2
38/2 = 19