An analytical determination for manganese in an aqueous solution on gives the following replicate measurements in ppm as 12.1, 12.3, 12.2, 12.2, 12.4, 12.3, 12.2, 12.4, 12.2, and 12.5. Determine the following; a) The range of the data b) The mean c) Median d) Standard deviation e) Variance f) Relative standard deviation RSD (ppt)
An analytical determination for manganese in an aqueous solution on gives the following replicate measurements in ppm as 12.1, 12.3, 12.2, 12.2, 12.4, 12.3, 12.2, 12.4, 12.2, and 12.5. Determine the following; a) The range of the data b) The mean c) Median d) Standard deviation e) Variance f) Relative standard deviation RSD (ppt)
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 A1.8QAP
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Question
An analytical determination for manganese in an aqueous solution on gives the
following replicate measurements in ppm as 12.1, 12.3, 12.2, 12.2, 12.4, 12.3, 12.2, 12.4,
12.2, and 12.5.
Determine the following;
a) The range of the data
b) The mean
c) Median
d) Standard deviation
e) Variance
f) Relative standard deviation RSD (ppt)
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