How much oil wells in a given field will ultimately produce is crucial information in deciding whether to drill more wells. Here are the estimated total amounts of oil recovered from 38 wells in
the Devonian Richmond Dolomite area of the Michigan basin, in thousands of barrels. The data is
provided in ascending order, along with a dotplot.
92
98
3
13
15
19
21
22
25
31
33
35
35
35
37
37
38
43
43
45
46
48
49
50
50
53
56
57
59
63
65
66
70
70
74
80
82
157
.
.
0
25
150
.
50
75
100
125
Total Oil Recovered (thousands of barrrels)
I is an outlier because it is greater than