Easy question, Easy Points

Topic Volume

Focus on question 15

738π cm^3

1458π cm^3

Step-by-step explanation:

The volume of a cylinder is V = πr^2 h, where r=radius and h=height.

a) V = πr^2 h

       = π6^2 20.5 = 36*20.5π = 738π cm^3

b) V = πr^2 h

   For this one, remember that diameter is half of radius. d = 18, r = 9.

   V = π9^2 18 = 81*18π = 1458π cm^3

c

step-by-step explanation:

it isn't d, because the interquartile range is from 27-57. and the interquartile range is basically half the data, it's pretty obvious.

it isn't b, because like i said earlier, the interquartile range is from 27-57. 57-27 is 30. the real range has to be longer

not a either. although it looks like it, 3/4 of the data is not greater than 27. but if c is wrong than this should be correct

the correct answer is c, because 13 is the point in which the plot starts