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: 0.3205%, 0.3202%, 0.3196%, 0.3198%, 0.3316%, 0.3197%, 0.3208%, and 0.3197%. Calculate the mean (x) and standard deviation (s) for these results.
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: 0.3205%, 0.3202%, 0.3196%, 0.3198%, 0.3316%, 0.3197%, 0.3208%, and 0.3197%. Calculate the mean (x) and standard deviation (s) for these results.
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
ChapterA1: Evaluation Of Analytical Data
Section: Chapter Questions
Problem A1.12QAP
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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: 0.3205%, 0.3202%, 0.3196%, 0.3198%, 0.3316%, 0.3197%, 0.3208%, and
0.3197%.
Calculate the mean () and standard deviation (s) for these results.
x =
Use the Grubbs test to determine if one of these values is an outlier. What is the value of Gealeulated?
Gcalculated =
Should this potential outlier be rejected with 95% confidence? Critical values of G can be found in this table.
The potential outlier should be kept.
The potential outlier should be rejected.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffe89836b-bba0-4df5-9667-e99956de1c6d%2F206bfebd-1847-4b2f-8bed-5ea762e76cd3%2Fk6qodo_processed.png&w=3840&q=75)
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: 0.3205%, 0.3202%, 0.3196%, 0.3198%, 0.3316%, 0.3197%, 0.3208%, and
0.3197%.
Calculate the mean () and standard deviation (s) for these results.
x =
Use the Grubbs test to determine if one of these values is an outlier. What is the value of Gealeulated?
Gcalculated =
Should this potential outlier be rejected with 95% confidence? Critical values of G can be found in this table.
The potential outlier should be kept.
The potential outlier should be rejected.
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