Sample 1 precision (relative standard deviation): Sample 1 accuracy (relative error): Sample 2 precision (relative standard deviation): Sample 2 accuracy (relative error): Sample 3 precision (relative standard deviation): Sample 3 accuracy (relative error):

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Sample 1 precision (relative standard deviation):
Sample 1 accuracy (relative error):
Sample 2 precision (relative standard deviation):
Sample 2 accuracy (relative error):
Sample 3 precision (relative standard deviation):
Sample 3 accuracy (relative error):
Transcribed Image Text:Sample 1 precision (relative standard deviation): Sample 1 accuracy (relative error): Sample 2 precision (relative standard deviation): Sample 2 accuracy (relative error): Sample 3 precision (relative standard deviation): Sample 3 accuracy (relative error):
Determine the precision and accuracy of these data for methylmercury.
Sample 1 Sample 2 Sample 3
Known concentration (ng/mL):
28.8
67.1
293
40.1
61.5
303
25.2
47.7
285
60.3
263
Experimentally determined
values (ng/mL):
30.5
27.3
79.6
309
27.2
59.2
255
31.4
62.3
281
Transcribed Image Text:Determine the precision and accuracy of these data for methylmercury. Sample 1 Sample 2 Sample 3 Known concentration (ng/mL): 28.8 67.1 293 40.1 61.5 303 25.2 47.7 285 60.3 263 Experimentally determined values (ng/mL): 30.5 27.3 79.6 309 27.2 59.2 255 31.4 62.3 281
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