In polar coordinates, we have


From this we can write

If

, then

, so we get
Answer:
Median: 55
First quartile: 26.5
Third quartile: 93
Interquartile range: 66.5
(14.80)(5) = 74
6-5 = 1
(17)(1) = 17
74 + 17 = 91
5 family members orders chicken, and only one orders steak.
Answer:
3/5 , 9/15, 12/20, 15/25, 18/30 plus more