The following data give the recovery of bromide from spiked samples of vegetable matter, measured using a gas–liquid chromatographic method. The same amount of bromide was added to each specimen (Roughan, J.A., Roughan, P.A. and Wilkins, J.P.G., 1983, Analyst, 108: 742). Tomato: 777 790 759 790 770 758 764 ug/g Cucumber: 782 773 778 765 789 797 782 ug/g (a) Test whether the recoveries from the two vegetables have variances which differ significantly. (b) Test whether the mean recovery rates differ significantly.
The following data give the recovery of bromide from spiked samples of vegetable matter, measured using a gas–liquid chromatographic method. The same amount of bromide was added to each specimen (Roughan, J.A., Roughan, P.A. and Wilkins, J.P.G., 1983, Analyst, 108: 742). Tomato: 777 790 759 790 770 758 764 ug/g Cucumber: 782 773 778 765 789 797 782 ug/g (a) Test whether the recoveries from the two vegetables have variances which differ significantly. (b) Test whether the mean recovery rates differ significantly.
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The following data give the recovery of bromide from spiked samples of vegetable matter, measured
using a gas–liquid chromatographic method. The same amount of bromide was added to each specimen
(Roughan, J.A., Roughan, P.A. and Wilkins, J.P.G., 1983, Analyst, 108: 742).
Tomato: 777 790 759 790 770 758 764 ug/g
Cucumber: 782 773 778 765 789 797 782 ug/g
(a) Test whether the recoveries from the two vegetables have variances which differ significantly.
(b) Test whether the mean recovery rates differ significantly.
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