The following are three sets of data for the atomic mass on antimony (Sb) from the work of Willard and McAlpine. Set 1 Set 2 Set 3 121.771 121.784| 121.752 121.787 121.758 121.784 121.803 121.765| 121.765 121.781 121.794 a) Determine the mean and standard deviation of each data set. b) Determine the 95% confidence intervals for each data set. c) Determine whether the 121.803 value in Set 1 is an outlier for that set. Pool the data and determine the overall mean and the nooled standard deviation

The following are three sets of data for the atomic mass on antimony (Sb) from the work of Willard and McAlpine. Set 1 Set 2 Set 3 121.771 121.784| 121.752 121.787 121.758 121.784 121.803 121.765| 121.765 121.781 121.794 a) Determine the mean and standard deviation of each data set. b) Determine the 95% confidence intervals for each data set. c) Determine whether the 121.803 value in Set 1 is an outlier for that set. Pool the data and determine the overall mean and the nooled standard deviation

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

9. The following are three sets of data for the atomic mass on antimony (Sb) from the work of Willard and
McAlpine.
Set 1
Set 2
Set 3
121.771 121.784 121.752
121.787 121.758 121.784
121.803 121.765 121.765
121.781 121.794
a) Determine the mean and standard deviation of each data set.
b) Determine the 95% confidence intervals for each data set.
c) Determine whether the 121.803 value in Set 1 is an outlier for that set.
d) Pool the data and determine the overall mean and the pooled standard deviation.
e) Compare the overall mean of the 11 data points with the currently accepted value. Report the
absolute error and the percent relative error, assuming the currently accepted value is the true value.

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