How do you find the standard deviation with these calculations? Results0.002270.0019 M0.00197Sulfate molarity in tap water(use 2 SF)Trial 1Trial 2Trial 30.0020Mean value of sulfate molarity (tap water samples) (2 SF)Standard deviation0%% Error (based on estimated SO,2 conc. of 0.0020 M)

If n is the number of observations, m is the mean value of all the observation and the set of the…

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How do you find the standard deviation with these calculations?

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter7: Statistical Data Treatment And Evaluation

Section: Chapter Questions

Problem 7.13QAP

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Question

How do you find the standard deviation with these calculations?

Results
0.00227
0.0019 M
0.00197
Sulfate molarity in tap water
(use 2 SF)
Trial 1
Trial 2
Trial 3
0.0020
Mean value of sulfate molarity (tap water samples) (2 SF)
Standard deviation
0%
% Error (based on estimated SO,2 conc. of 0.0020 M)

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