If a data set has an even number of observations, the median
A.cannot be determined
B.is the average value of the two middle items
C.must be equal to the mean
D.is the average value of the two middle items when all items are arranged in ascending order
Answer:D
If a data set has an even number of observations, the median
A.cannot be determined B.is the average value of the two middle items C.must be equal to the mean D.is the average value of the two middle items when all items are arranged in ascending order