Respuesta :
First put the numbers in order:
72, 78, 81, 86, 86, 87, 92, 92, 92, 98
The two numbers in the middle are 86 & 87 so you want to find the average
86 + 87 / 2 = 86.5
72, 78, 81, 86, 86, 87, 92, 92, 92, 98
The two numbers in the middle are 86 & 87 so you want to find the average
86 + 87 / 2 = 86.5