First arrange the data in an order
3, 3, 3, 7, 7, 10, 10, 12, 12, 13, 14, 17, 17, 18, 21
a.) Q1 = (N + 1)/4th item = (15 + 1)/4 = 4th item = 7
Q2 = 2(16)/4 = 16/2 = 8th item = 12
Q3 = 3(16)/4 = 3(4) = 12th item = 17
IQR = (Q3 - Q1)/2 = (17 - 7)/2 = 10/2 = 5
b.) 82nd percentile = 82(16)/100 = 13th item = 17
c.) 12 is the 8th item which is in the middle of the data set, so the percentile rank is 50%
223
-119
104
In stead of doing 3-9 and 2-1 do 23-19 then 2-1
Answer:
7 + 18 = 25
Step-by-step explanation:
Answer:
Radius: 6.5 ft
Circumference: 40.82 ?
Diameter: 13 ?
Area: 132.665 ???
Step-by-step explanation:
Not 100% sure abt the last 3 answers but im like 89% sure
