Question

Please help me out with this with a letter answer and reason behind it.

What are the minimum, first quartile, median, third quartile, and maximum of the data set ?

18, 20,11,10,8,6,12,4

A. Minimum 4; first quartile 7; median 10.5; third quartile 17.5; maximum 20.
B. Minimum 4; first quartile 5.5; median 12.75; third quartile 15; maximum 20.
C. Minimum 4; first quartile 8.75; median 12.75; third quartile 17.5; maximum 20.
D. Minimum 4; first quartile 7; median 10.5; third quartile 15; maximum 20.

Answer 1

sort the data set

determine how many numbers are in the set

1q is equal to 1/4 of the data. so divide the number of elements by 4 to determine the value of q

after that is just pulling out positional values ....