In the Pacific Northwest, glaciers store water that is used in irrigation, power production, and salmon hatcheries. One concern is the erosion of glaciers over the years due to unchecked climate change. The
data below show the amount of glacial erosion (in meters) from the years 1985 through 2000. Please
use these data to answer all questions on the assessment, and assume the data are representative and
drawn from populations whose underlying distribution is Normal.
Glacial Erosion
(meters)
Year
0
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
22
33
44
S5
60
75
116
137
61
201
41
246
1998
1999
2000
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