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The following replicate calcium determinations on a blood sample using atomic absorption spectrophotometry (AAS) and a new colorimetric method were reported. AAS:
10.9; 10.1; 10.6; 11.2; 9.70; 10.0.
New calorimetric method: 9.20; 10.5; 9.70; 11.5; 11.6; 9.30; 10.1; 11.2.
Is there a significant difference in the precision of the two methods at 95% confidence level?
The following replicate calcium determinations on a blood sample using atomic absorption spectrophotometry (AAS) and a new colorimetric method were reported. AAS:
10.9; 10.1; 10.6; 11.2; 9.70; 10.0.
New calorimetric method: 9.20; 10.5; 9.70; 11.5; 11.6; 9.30; 10.1; 11.2.
Is there a significant difference in the precision of the two methods at 95% confidence level?
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