Five students performed a Kjeldahl nitrogen analysis of a protein sample. The weight % nitrogen values determined were: 15.5. 14.0, 15.7, 15.4, and 15.8. What is the value of Gcalculated for the Grubbs test?

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Five students performed a Kjeldahl nitrogen analysis of a protein sample. The weight % nitrogen values determined were: 15.5.
14.0, 15.7, 15.4, and 15.8.
What is the value of Gcalculated for the Grubbs test?
Gcalculated
2.665
Incorrect
Should the outlier be rejected with 95% confidence? A list of critical G values can be found in this table.
The outlier should be rejected.
The outlier should be kept.
Transcribed Image Text:Five students performed a Kjeldahl nitrogen analysis of a protein sample. The weight % nitrogen values determined were: 15.5. 14.0, 15.7, 15.4, and 15.8. What is the value of Gcalculated for the Grubbs test? Gcalculated 2.665 Incorrect Should the outlier be rejected with 95% confidence? A list of critical G values can be found in this table. The outlier should be rejected. The outlier should be kept.
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