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rubyclam80Lv1
22 May 2020
Hydrocarbons in the cab of an automobile were measured during trips on the New Jersey Turnpike and trips through the Lincoln Tunnel connecting New York and New Jersey. The total concentrations (± standard deviations) of m‐ and p‐xylene were Turnpike: 31.4 ± 30.0 μg/m3 (31 measurements) Tunnel: 52.9 ± 29.8 μg/m3 (31 measurements) Do these results differ at the 95% confidence level and at the 99% confidence level?
Hydrocarbons in the cab of an automobile were measured during trips on the New Jersey Turnpike and trips through the Lincoln Tunnel connecting New York and New Jersey. The total concentrations (± standard deviations) of m‐ and p‐xylene were Turnpike: 31.4 ± 30.0 μg/m3 (31 measurements) Tunnel: 52.9 ± 29.8 μg/m3 (31 measurements) Do these results differ at the 95% confidence level and at the 99% confidence level?
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2 Jun 2021
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