3446679324 - Representing & Manipulating Data...

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1 10/21/2008
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4 Range The range, R, is the absolute difference between the largest and smallest values in the data set”
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5 Today's Menu Types of errors Confidence intervals The F-test The Q-test Least square
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6 Types of Errors Determinate Errors Two types Proportional Whose magnitude varies in proportion to the amount of analyte. Constant It doesn’t depend on the magnitude of the measured quantity. Indeterminate (Random) Errors
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7 Determinate Errors Errors that can be determined are called determinate or systematic errors . • These are constant in magnitude and direction The sources of determinate errors are: 1- Methods 2- Equipment and materials 3- Personal judgment 4- Mistakes
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8 In determinate (Random) Errors Errors that cannot be determined and controlled The error distribution most commonly encountered in chemical analysis approximates a Gaussian distribution .
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9 Four Observations are obvious
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This note was uploaded on 03/24/2011 for the course CHEM 323 taught by Professor Basimali during the Fall '09 term at King Fahd University of Petroleum & Minerals.

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3446679324 - Representing & Manipulating Data...

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