The following results were obtained in the replicate determination of the lead content of a blood...
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The following results were obtained in the replicate determination of the lead content of a blood sample: 0.752, 0.756, 0.752, and 0.760 ppm Pb. a) Calculate the mean of the data set. 0.752 +0.756 +0.752 +0.760 4 Mean: b) Calculate the standard deviation. 3.02 4 = = 0.755 ppm Pb c) Calculate the standard uncertainty of the mean. d) Calculate the variance of sample. e) What is the percent relative standard deviation if the true mean is 0.758 ppm. The following results were obtained in the replicate determination of the lead content of a blood sample: 0.752, 0.756, 0.752, and 0.760 ppm Pb. a) Calculate the mean of the data set. 0.752 +0.756 +0.752 +0.760 4 Mean: b) Calculate the standard deviation. 3.02 4 = = 0.755 ppm Pb c) Calculate the standard uncertainty of the mean. d) Calculate the variance of sample. e) What is the percent relative standard deviation if the true mean is 0.758 ppm.
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Angswer 5 Given Blood Samples are 0752 20756 3 075240760 Mean 0752 07... View the full answer
Related Book For
Fundamentals of Analytical Chemistry
ISBN: 978-0495558286
9th edition
Authors: Douglas A. Skoog, Donald M. West, F. James Holler, Stanley R. Crouch
Posted Date:
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