A biosensor was developed to measure the concentration of aqueous arsenic. To determine the accuracy of the sensor, the sensor was tested against a standard reference solution of known concentration. The concentration measured by the new biosensor can be considered accurate if the standard deviations for the concentration determined by the biosensor and the accepted, known concentration of the reference solution are not significantly different. the standard deviations for the concentration determined by the biosensor and the accepted, known concentration of the reference solution are not significantly different, and calculated < ttable. the accepted, known concentration of the reference solution falls outside the 95% confidence interval for the biosensor results. the accepted, known concentration of the reference solution falls within the 95% confidence interval for biosensor results.

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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A biosensor was developed to measure the
concentration of aqueous arsenic. To determine
the accuracy of the sensor, the sensor was tested
against a standard reference solution of known
concentration. The concentration measured by
the new biosensor can be considered accurate if
the standard deviations for the concentration
determined by the biosensor and the
accepted, known concentration of the
reference solution are not significantly
different.
the standard deviations for the concentration
determined by the biosensor and the
accepted, known concentration of the
reference solution are not significantly
different, and tcalculated < ttable.
the accepted, known concentration of the
reference solution falls outside the 95%
confidence interval for the biosensor results.
the accepted, known concentration of the
reference solution falls within the 95%
confidence interval for biosensor results.
Transcribed Image Text:A biosensor was developed to measure the concentration of aqueous arsenic. To determine the accuracy of the sensor, the sensor was tested against a standard reference solution of known concentration. The concentration measured by the new biosensor can be considered accurate if the standard deviations for the concentration determined by the biosensor and the accepted, known concentration of the reference solution are not significantly different. the standard deviations for the concentration determined by the biosensor and the accepted, known concentration of the reference solution are not significantly different, and tcalculated < ttable. the accepted, known concentration of the reference solution falls outside the 95% confidence interval for the biosensor results. the accepted, known concentration of the reference solution falls within the 95% confidence interval for biosensor results.
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