The next 7 questions refer to the following data set.

Age of residents in a neighbourhood
26	45	27	50	40	52	12	28	48	52
14	20	32	9	36	10	36	51	42	1
30	21	40	37	13	35	57	47	42	53

1. What is the percentile of the data point 40 in the data set?

Question: when counting percentiles do you count the same value twice. There are two 36 values in the data are they both counted for. Or just once