Answer:
B. 18
Step-by-step explanation:
The number of observations here means every time they saw how many pennies someone brought in. So you count up the total number of dots from 0-50 on here, and there are 18.
B
I think your supposed to just count the dots
-4 , 0 , 4/5 , 90% , 2
-4 , 0 , 0.8 , 0.9 , 2
It equals 5 /n2+4n+3
