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Analyst B , following the exact same procedure, carries out an analysis of the same acid and reports...

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Chemistry

Analyst B

, following the exact same procedure, carries out an analysis ofthe same acid and

reports a concentration of 6.772 ± 0.004 M, after performing 6successful titrations (no data was

rejected).

Questions:Is this result obtainedby Analyst Bin agreement with that ofAnalyst A, at a 90% confidence level?

The certified analysis record for the concentrated sulfuric acidis found and states that the acidhas a concentration of 6.759 M. Do either of theAnalysts results agree with this concentration at the 90% confidencelevel?

Analyst A had a value of 6.75 +/-0.008M.

My question is, how to Icalculate the confidence levels if I'm not given thestandard deviation? Do I just use the uncertainty?

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