(sum/n-1) Standard deviation (Square root of variance) Example of standard deviation calculation for the three 5 ml trials. Sample ID 5 ml pipetted water sample Measured Deviation Trial 1 Trial 2 Trial 3 Average Sum of squares Variance Standard deviation mass 6000 5400 3500 4967 1033 433 -1467 Deviation squared 1067089 187489 2152089 3406667 1703333 1305

(sum/n-1) Standard deviation (Square root of variance) Example of standard deviation calculation for the three 5 ml trials. Sample ID 5 ml pipetted water sample Measured Deviation Trial 1 Trial 2 Trial 3 Average Sum of squares Variance Standard deviation mass 6000 5400 3500 4967 1033 433 -1467 Deviation squared 1067089 187489 2152089 3406667 1703333 1305

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter6: Random Errors In Chemical Analysis

Section: Chapter Questions

Problem 6.3QAP

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Q 1 thank you!
Please help me find the standard deviation for the given data.
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