If there are n tuples in the partition and the rank of the tuple is r, then its ________ is defined as (r −1)/(n−1).
A. Ntil()
B. Cum_rank
C. Percent_rank
D. rank()
Answer:C
If there are n tuples in the partition and the rank of the tuple is r, then its ________ is defined as (r −1)/(n−1).
A. Ntil() B. Cum_rank C. Percent_rank D. rank()