- A determination of acetaminophen in 10 separate tablets of Excedrin Extra Strength Pain Reliever gives the following results (in mg). 139.7140.9138.9 139.4 139.1 141.2138.2 139.3 138.7139.3 Based on the mean and standard deviation of the results, to how many significant figures should the mean value of the acetaminophen mass be reported?

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
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- A determination of acetaminophen in 10 separate tablets of Excedrin Extra Strength Pain Reliever gives the
following results (in mg).
139.7140.9138.9 139.4 139.1
141.2138.2 139.3 138.7139.3
Based on the mean and standard deviation of the results, to how many significant
figures should the mean value of the acetaminophen mass be reported?
Transcribed Image Text:- A determination of acetaminophen in 10 separate tablets of Excedrin Extra Strength Pain Reliever gives the following results (in mg). 139.7140.9138.9 139.4 139.1 141.2138.2 139.3 138.7139.3 Based on the mean and standard deviation of the results, to how many significant figures should the mean value of the acetaminophen mass be reported?
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