3. A recently hired lab analyst and a more experienced analyst both performed replicate analyses of Pbin a proficiency test sample via ICP-MS and obtained the results below:new analystexperienced analystmean = 14.57 ppb, standard deviation = 0.53 ppb, n = 6 samplesmean = 13.95 ppb, standard deviation = 0.42 ppb, n = 5 samplesDetermine whether or not these two sets of results are equivalent or not at the 95% confidence level.Be sure to show your work (i.e., computed mean, standard deviation, etc.) and how you arrived atyour conclusion.

95% confidence interval - It is the range of values below and above the point estimate within which…

A recently hired lab analyst and a more experienced analyst both performed replicate analyses of Pb in a proficiency test sample via ICP-MS and obtained the results below: new analyst mean = 14.5, ppb, standard deviation = 0.53 ppb, n = 6 samples experienced analyst mean = 13.95 ppb, standard deviation = 0.42 ppb, n = 5 samples Determine whether or not these two sets of results are equivalent or not at the 95% confidence level. Be sure to show your work (i.e., computed mean, standard deviation, etc.) and how you arrived at your conclusion.

A recently hired lab analyst and a more experienced analyst both performed replicate analyses of Pb in a proficiency test sample via ICP-MS and obtained the results below: new analyst mean = 14.5, ppb, standard deviation = 0.53 ppb, n = 6 samples experienced analyst mean = 13.95 ppb, standard deviation = 0.42 ppb, n = 5 samples Determine whether or not these two sets of results are equivalent or not at the 95% confidence level. Be sure to show your work (i.e., computed mean, standard deviation, etc.) and how you arrived at your conclusion.

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

3. A recently hired lab analyst and a more experienced analyst both performed replicate analyses of Pb
in a proficiency test sample via ICP-MS and obtained the results below:
new analyst
experienced analyst
mean = 14.57 ppb, standard deviation = 0.53 ppb, n = 6 samples
mean = 13.95 ppb, standard deviation = 0.42 ppb, n = 5 samples
Determine whether or not these two sets of results are equivalent or not at the 95% confidence level.
Be sure to show your work (i.e., computed mean, standard deviation, etc.) and how you arrived at
your conclusion.

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