Q1/ calculate the precision in confidence level 63% and 95% from these results (Arrange youranswer in the same table)ElementS (5)P 63%P 95%precisionppmZn748383Cu272424Co272929Ni130130130Pb354365365Cr100106106Sr378393417Mn227510510!!

n = no. of samples X = mean = sum of samples/no. of samples S = standard deviation = S.D =…

Q1/ calculate the precision in confidence level 63% and 95% from these results (Arrange your answer in the same table) Element 2. 3. S (3) P 63% P 95% precision Ppm Zn 74 83 Cu 27 24 Co 27 29 29 Ni 130 130 130 Pb 354 365 365 Cr 100 106 106 Sr 378 393 417 Mn 227 510 510 83 24

Q1/ calculate the precision in confidence level 63% and 95% from these results (Arrange your answer in the same table) Element 2. 3. S (3) P 63% P 95% precision Ppm Zn 74 83 Cu 27 24 Co 27 29 29 Ni 130 130 130 Pb 354 365 365 Cr 100 106 106 Sr 378 393 417 Mn 227 510 510 83 24

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Q1/ calculate the precision in confidence level 63% and 95% from these results (Arrange your
answer in the same table)
Element
S (5)
P 63%
P 95%
precision
ppm
Zn
74
83
83
Cu
27
24
24
Co
27
29
29
Ni
130
130
130
Pb
354
365
365
Cr
100
106
106
Sr
378
393
417
Mn
227
510
510
!!

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