The average age of person at a party if 17 with a mean absolute deviation of 2.
Based on the statement which of the following statements must be true?

a) At the party, no one is 17.
b) The average distance each person’s age is away from the mean is 2.
c) Everyone at the party must be between 15 and 19 years old.
d) Everyone at the party is 17 years old.

Chosen according to the volume of oil it can haul, as shown in at a railway yard, locomotives are used to haul containers carrying the table. locomotive capacity a450 0 -750 cubic feet cg35 750-1,500 cubic feet br73 1,500-2,500 cubic feet yh61 2,500-3,500 cubic feet & the four cylindrical containers listed in the table need to be hauled. cylinder length (ft.) diameter (ft.) fill level a 40 , 12 half b 24 8 full c 16 16 full 6 12 full d match each container to the locomotive needed to haulit a450 cylinder a yh61 cylinder d