. The following replicate calcium determinations on a blood sample using atomic absorption
spectrophotometry (AAS) and a new colorimetric method were reported. Is there a significant
difference in the precision of the two methods? (04)
AAS
(mg/dL)
Colorimetric
(mg/dL)
10.9 9.2
10.1 10.5
10.6 9.7
11.2 11.5
9.7 11.6
10.0 9.3
10.1
11.2
