AA (mg/g) UV (ug/ml) Sample (ug/ml) Unknown Fe solution 1 Unknown Fe solution _2 0.322 8.136 0.318 7.967 Unknown Fe solution_3 0.32 8.339 Mean Standard deviation 95% Confidence limit (use t=4.3)
AA (mg/g) UV (ug/ml) Sample (ug/ml) Unknown Fe solution 1 Unknown Fe solution _2 0.322 8.136 0.318 7.967 Unknown Fe solution_3 0.32 8.339 Mean Standard deviation 95% Confidence limit (use t=4.3)
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section: Chapter Questions
Problem 16QRT
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calculate mean,SD and 95%confidence limit. Use t=4.3.Compare the two means using the student's t test and precision of the two methods using F test at 95% confidence level . For two sets of three replicates use t=2.78 and fcrit=19
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