So to find average, we add up the values, and divide it by how many values there are in total.
27 + 12 + 31 + 19 + 23 + 11 + 17 = 140.
There are 7 numbers. Which means we divide 140 by 7.
140 / 7 = 20 is the average.
Also, if you notice, most of the numbers "kind of" circulate around 20.
Answer: [tex]20[/tex]
Step-by-step explanation:
1) Put the numbers in order: [tex]11,12,17,19,23,27,31[/tex]
2) Find the sum: [tex]140[/tex]
3) Divde 140 by the total numbers: [tex]18.769875523239[/tex]
Range: [tex]20[/tex]
Largest Number: [tex]31[/tex]
Smallest Number: [tex]11[/tex]
Divide: [tex]140/7[/tex] and get [tex]20[/tex]
