[CHM 111] Lab #6 Report

[Andrew J. Pounds]

On 10/28/20 5:13 PM,  wrote:
> Hi Dr. Pounds, 
> I am currently working on the lab report for the Standardization of
> NaOH lab, and I am confused as to how we are supposed to calculate the
> deviation for the trials. Is there a formula that does not include the
> sum (like the standard deviation formula but without the E...)? 
>
> Please let me know if this makes sense or if you would like me to
> further clarify my question. 
>
> Thank you!


Since we are using such a small sample, the AVERAGE DEVIATION is the
equation you need.  You will find it back in the Experiment 1 (Measuring
Uncertainty, Density of an Unknown Metal) procedures.


$\mathrm{avg\ dev} = \frac{\Sigma_1^n \| \bar{x}-x_i\|}{n}$

-- 
Andrew J. Pounds, Ph.D.  (pounds_aj at mercer.edu)
Professor of Chemistry and Computer Science
Director of the Computational Science Program
Mercer University,  Macon, GA 31207   (478) 301-5627

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