Dr. Caras was characterizing a cytochrome (an iron containing protein) from a new strain of bacteria. He obtained eight measurements of the percent iron in the protein: 0.5806%, 0.5804%, 0.5796%, 0.5794%, 0.5919%, 0.5795%, 0.5805%, and 0.5793%. Calculate the mean (x) and standard deviation (s) for these results. x = 0.5812 2.84 X10-3 Incorrect Use the Grubbs test to determine if one of these values is an outlier. What is the value of Gcalculated? Gcalculated 0.494 Incorrect Should this potential outlier be rejected with 95% confidence? Critical values of G can be found in this table. The potential outlier should be rejected. The potential outlier should be kept.

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter7: Statistical Data Treatment And Evaluation
Section: Chapter Questions
Problem 7.16QAP
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Dr. Caras was characterizing a cytochrome (an iron containing protein) from a new strain of bacteria. He obtained eight
measurements of the percent iron in the protein: 0.5806%, 0.5804%, 0.5796%, 0.5794%, 0.5919%, 0.5795%, 0.5805%, and
0.5793%.
Calculate the mean (x) and standard deviation (s) for these results.
x =
0.5812
2.84 X10-3
Incorrect
Use the Grubbs test to determine if of these values is an outlier. What is the value of Gcalculated?
Gcalculated
0.494
Incorrect
Should this potential outlier be rejected with 95% confidence? Critical values of G can be found in this table.
O The potential outlier should be rejected.
The potential outlier should be kept.
%
%
ро
en
uti
si
luti
Transcribed Image Text:Dr. Caras was characterizing a cytochrome (an iron containing protein) from a new strain of bacteria. He obtained eight measurements of the percent iron in the protein: 0.5806%, 0.5804%, 0.5796%, 0.5794%, 0.5919%, 0.5795%, 0.5805%, and 0.5793%. Calculate the mean (x) and standard deviation (s) for these results. x = 0.5812 2.84 X10-3 Incorrect Use the Grubbs test to determine if of these values is an outlier. What is the value of Gcalculated? Gcalculated 0.494 Incorrect Should this potential outlier be rejected with 95% confidence? Critical values of G can be found in this table. O The potential outlier should be rejected. The potential outlier should be kept. % % ро en uti si luti
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