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13 Dec 2019
Atmospheric hydrocarbons are measured in air with the following results:
Rural air: 31.4 ± 30.0 μg/m3 32 replicates
City air: 52.9 ± 29.8 μg/m3 32 replicates
Do these results differ at the 95% confidence level?
a) Yes b) no c) insufficient data to dete
Atmospheric hydrocarbons are measured in air with the following results:
Rural air: 31.4 ± 30.0 μg/m3 32 replicates
City air: 52.9 ± 29.8 μg/m3 32 replicates
Do these results differ at the 95% confidence level?
a) Yes b) no c) insufficient data to dete
1
answer
0
watching
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Trinidad TremblayLv2
17 Dec 2019
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