Respuesta :
The median is the number in the middle of a list of numbers.
Since this list has an even amount of numbers, you take the 2 middle numbers, add it together, and divide by 2 to get the average value.
The middle values are 17 and 20, so you do:
17 + 20 = 37 now divide by 2
37/2 = 18.5
Answer:
18
Step-by-step explanation:
add them all and you get 144. there are 8 total numbers.
the formula for mean is sum of numbers/n (number of items added) this isbalso synonymous with average.
144/8= 18