Term
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Definition
| procedural variations, instrument precision, human errors |
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Term
| Most random sample variability will follow a _____ distribution. |
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Definition
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Term
| ___% of the data will fall within the one standard deviation of the mean. |
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Definition
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Term
| ___% will fall within 2 standard deviations of the mean |
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Definition
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Term
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Definition
| Third momentum about the mean of a sample |
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Term
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Definition
| Fourth moment about the mean of a sample. measure of the peakedness of the distribution (Normal = 3, less than - flat, more than - pointy) |
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Term
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Definition
| A measure of repeatability |
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Term
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Definition
| diff between th etrue value of a measured quantity and the measurment |
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Term
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Definition
| Smallest interval measurable by an instrument |
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Term
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Definition
| Combined accuracy of a measurment and the datum |
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Term
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Definition
| Accuracy controlled by the precision of the measurement |
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Term
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Definition
| Errors caused by carlessness of observer. |
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Term
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Definition
| errors of constant magnitude and sign. Usually caused by iproper calibration of the instrument. Sometimes be eliminated |
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Term
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Definition
| Errors of varying mangitude but constant sign. |
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Term
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Definition
| Errors of varying magnitude and sign but obeying some systematic law. |
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Term
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Definition
| errors of varying sign and magnitude, and do not obey a systematic law |
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Term
| Treatment of Bias and Systematic Errors |
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Definition
| elimintaed where possible by careful calibration and observational procedures. |
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Term
| Treatment of Periodic and Random Errors |
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Definition
| Taking the mean of repeated observation. |
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Term
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Definition
| elongation per length of sample |
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Term
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Definition
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Term
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Definition
| value of sample where .5 of sample is greater and .5 is less than |
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Term
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Definition
| a number that is likely to be correct |
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Term
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Definition
| objective, scope of work, results, conclusion |
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