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If a procedure requires 400mg of NaCl and the allowable variation +/- 1%, what is the allowable variation in mg? If you have three test coupons and the results were 2610lbs, 2500lbs and 2560lbs how would you find the average? Standard deviation?
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Quality Control Lab Technician

Interviewed at Henkel

4.4
Dec 22, 2020

If a procedure requires 400mg of NaCl and the allowable variation +/- 1%, what is the allowable variation in mg? If you have three test coupons and the results were 2610lbs, 2500lbs and 2560lbs how would you find the average? Standard deviation?

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