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1. Certified Reference Material (CRM), GSS-5, is certified to contain 40.67 = 3.33 mg/kg of Ni in soil. An analysis of the CRM gives values of 40.39, 41.98, 43.64, 44.38, and 45.96 mg/kg. Determine the tcaic value and determine if your results differ from the expected results at the 90 % confidence level?

1. Certified Reference Material (CRM), GSS-5, is certified to contain 40.67 = 3.33 mg/kg of Ni in soil. An analysis of the CRM gives values of 40.39, 41.98, 43.64, 44.38, and 45.96 mg/kg. Determine the tcaic value and determine if your results differ from the expected results at the 90 % confidence level?

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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1. Certified Reference Material (CRM), GSS-5, is certified to contain 40.67 3.33 mg/kg of Ni in soil. An analysis of the CRM gives values of 40.39, 41.98, 43.64, 44.38, and 45.96 mg/kg. Determine the tcalc. value and determine if your results differ from the expected results at the 90 % confidence level?
Transcribed Image Text:1. Certified Reference Material (CRM), GSS-5, is certified to contain 40.67 3.33 mg/kg of Ni in soil. An analysis of the CRM gives values of 40.39, 41.98, 43.64, 44.38, and 45.96 mg/kg. Determine the tcalc. value and determine if your results differ from the expected results at the 90 % confidence level?
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