Answer:
rocky???
Step-by-step explanation:
5/2 3/8
A. 8π / 3
(3 + 4 + 5 + 7 + 10 + 12 + 15)/7 = 8
(3^2 + 4^2 + 5^2 + 7^2 + 10^2 + 12^2 + 15^2)/7 - 8^2 = 17.14285714
2. the interquartile range is 20
3. 80 is the median.
have a nice day.