The answer to this question is sqrt(2)/2. Invoke the unit circle to derive this expression, or use special triangles and reference triangles.
First arrange numbers
14,15,15,17,19,20,21,23,24
19 is median
15+15/2=15 is first quartile
Answer:

Step-by-step explanation:
Volume of Sphere = 
Where r = 4.7 cm
V = 
V = 
V = 
V = 434.9 cm³ (Up to 1 dp)
V= pi r^2h
180= pi (5)^2h
180=78.5h
Divide by 78.5
h= 2.29
h= 2.3
Sorry could not type pi symbol