The table shows the cost per unit for some materials in a plumbing supply warehouse select all the correct statements A) The range 20 summarizes for the data
B)The median 18 summarizes the data
C)The range 20 describes how the values vary
D)The median 18 describes how the values vary
E)The range represents the average cost per unit.

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.