36. Lin, Sutton, and Qurashi (1979) compared microbiological and hydroxylamine methods for the analysis of ampicillin dosages. In one series of experiments, pairs of tablets were analyzed by the two methods. The data in the following table give the percentages of claimed amount of ampicillin found by the two methods in several pairs of tablets. What are X - Y and If the pairing had been erro- neously ignored and it had been assumed that the two samples were independent, what would have been the estimate of the standard deviation of X-Y? Ana lyze the data to determine if there is a systematic difference between the two methods Х--Y Microbiological Method Hydroxylamine Method 97.2 105.8 99.5 100.0 93.8 79.2 72.0 72.0 69.5 20.5 95.2 90.8 96.2 96.2 91.0 97.2 97.8 96.2 101.8 88.0 74.0 75.0 67.5 65.8 21.2 94.8 95.8 98.0 99.0 100.2

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 28PPS
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36. Lin, Sutton, and Qurashi (1979) compared microbiological and hydroxylamine
methods for the analysis of ampicillin dosages. In one series of experiments, pairs
of tablets were analyzed by the two methods. The data in the following table give
the percentages of claimed amount of ampicillin found by the two methods in
several pairs of tablets. What are X - Y and If the pairing had been erro-
neously ignored and it had been assumed that the two samples were independent,
what would have been the estimate of the standard deviation of X-Y? Ana
lyze the data to determine if there is a systematic difference between the two
methods
Х--Y
Microbiological Method
Hydroxylamine Method
97.2
105.8
99.5
100.0
93.8
79.2
72.0
72.0
69.5
20.5
95.2
90.8
96.2
96.2
91.0
97.2
97.8
96.2
101.8
88.0
74.0
75.0
67.5
65.8
21.2
94.8
95.8
98.0
99.0
100.2
Transcribed Image Text:36. Lin, Sutton, and Qurashi (1979) compared microbiological and hydroxylamine methods for the analysis of ampicillin dosages. In one series of experiments, pairs of tablets were analyzed by the two methods. The data in the following table give the percentages of claimed amount of ampicillin found by the two methods in several pairs of tablets. What are X - Y and If the pairing had been erro- neously ignored and it had been assumed that the two samples were independent, what would have been the estimate of the standard deviation of X-Y? Ana lyze the data to determine if there is a systematic difference between the two methods Х--Y Microbiological Method Hydroxylamine Method 97.2 105.8 99.5 100.0 93.8 79.2 72.0 72.0 69.5 20.5 95.2 90.8 96.2 96.2 91.0 97.2 97.8 96.2 101.8 88.0 74.0 75.0 67.5 65.8 21.2 94.8 95.8 98.0 99.0 100.2
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