Refer to the Journal of Petroleum Geology (April 2010) study of the environmental factors associated with biodegradation
Question:
Dioxide Amount Crude Oil Present
3.3 .................... No
0.5 ....................Yes
1.3 ....................Yes
0.4 ....................Yes
0.1 ....................No
4.0 ....................No
0.3 ....................No
0.2 ....................Yes
2.4 ....................No
2.4 ....................No
1.4 ....................No
0.5 ....................Yes
0.2 ....................Yes
4.0 ....................No
4.0.................... No
4.0 ....................No
a. Find the mean dioxide level of the 16 water specimens. Interpret this value.
b. Find the median dioxide level of the 16 water specimens. Interpret this value.
c. Find the mode of the 16 dioxide levels. Interpret this value.
Data for Exercise 2.49 BIODEG
d. Find the median dioxide level of the 10 water specimens with no crude oil present.
e. Find the median dioxide level of the 6 water specimens with crude oil present.
f. Compare the results, parts d and e. Make a statement about the association between dioxide level and presence/ absence of crude oil.
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Related Book For
Statistics For Business And Economics
ISBN: 9780134506593
13th Edition
Authors: James T. McClave, P. George Benson, Terry Sincich
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