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| The digits in the measurement up to and including the first unncertain digit. |
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| The difference between the recorded value and the generally accepted or literature value. |
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| This is when an experimenter approximates a reading and there is an equal probability of being too high or too low. |
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| If the same person duplicates an experiment with the same results |
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| If several experimenters duplicate the results of an experiment |
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| These occur as a result of poor experimental design or procedure. |
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| The smaller the systematic error, the greater the accuracy is. Accurate measurements have small systematic errors and give a result close to the accepted value. |
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| The smaller the random uncertainties, the greater the precision is. Precise measurements have small random errors and are reproducible in repeated trials. |
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| (absolute uncertainty/measured value) X 100% |
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Term
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Definition
| absolute uncertainty/measured value |
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Term
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Definition
It is a measure of how close the experimental value is to the literature or accepted value.
(accepted value-experimental value/accepted value) x 100% |
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