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13 Cards in this Set
- Front
- Back
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The degree of conformity of a measured or calculated quantity to its actual (true) value.
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Accuracy - Target --> Spread out, but surrounding the bullseye.
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Reproducibility or repeatability, the degree to which repeated measurements or calculations show the same or similar results.
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Prescision - Target --> all smashed together in a small section.
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What is the measurement for Volume?
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Liter - L
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What is the measurement for Mass?
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Gram - g
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What is the measurement for Distance?
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Meter - m
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What is mass 'm' per unit volume 'V'?
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This is density ρ = m/V
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What is the symbol for the density of the substance?
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ρ (rho) - measured in kg x m^-3
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What is the symbol for the the mass of a substance?
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m - measured in kg
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What is the symbol for the volume of a substance?
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V - measured in m^3
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When methods are used for expressing the accuracy?
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Absolute Error = |Accepted Value - Your Data Value|
and Percent Error = |Accepted Value - Your Data Value| ___________________________________________ X 100 Accepted Value |
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What is the collection of measurements or values? This is also known as the average.
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The Mean = see the lab manual for the formula.
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No personal Bias
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Objective (measurement of 370 mL - Statistics)
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How you view the situation
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Subjective (This is about 2/3s full)
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