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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

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Trinidad Tremblay
Trinidad TremblayLv2
17 Dec 2019

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