For the set of data shown below, determine the upper confidence 15% limit of the mean, assuming one sided analysis.

	Data
1	73.6
2	79
3	79.7
4	76.9
5	82.2
6	79.7
7	80.7
8	70
9	76.3
10	69.5
11	81.1
12	89.9
13	73.3
14	76
15	90.1
16	81.4
17	84.9
18	80.4
19	78.6
20	80.8