The density of an irregular shaped object was measured three times with the following results: 2.15 g/cm3 2.79 g/cm3 1.98 g/cm3 How would you report the mean and standard deviation of this data? a. 2.31 g/cm3 ± 0.07 g/cm3 b. 2.307 g/cm3 ± 0.1 g/cm3 c. 2.4 g/cm3 ± 0.5 g/cm3 d. 2.15 g/cm3 ± 0.03 g/cm3 e. 2.3 g/cm3 ± 0.4 g/cm3

The density of an irregular shaped object was measured three times with the following results: 2.15 g/cm3 2.79 g/cm3 1.98 g/cm3 How would you report the mean and standard deviation of this data? a. 2.31 g/cm3 ± 0.07 g/cm3 b. 2.307 g/cm3 ± 0.1 g/cm3 c. 2.4 g/cm3 ± 0.5 g/cm3 d. 2.15 g/cm3 ± 0.03 g/cm3 e. 2.3 g/cm3 ± 0.4 g/cm3

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter6: Random Errors In Chemical Analysis

Section: Chapter Questions

Problem 6.7QAP

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