A Quality Control Supervisor Wishes to Determine Whether the Following

Multiple Choice

A quality control supervisor wishes to determine whether the following measurements are random: For this purpose,the supervisor computes the median of the thirty observations above,and finds it is ______.Then she compares each measurement to the median and assigns an "L" to it if it is below the median and a "U" if it is above the median.She determines that the number of Ls and Us are ______ and ______,respectively.

A) 66.8; 12; 18
B) 67; 12; 18
C) 67.5; 18; 12
D) 67; 18; 12
E) 67.5; 12; 18