12 Questions
What term is used to describe a single gross error in a set of readings or measurements?
Outlier
In the context of experiments, what type of error is defined as so large that it cannot be attributed to systematic or random errors?
Outlier
How does a gross error affect both accuracy and precision in experiments?
It affects both accuracy and precision
Which type of error in experiments can be determined if the true value is known?
Systematic error
Which type of error always has the same magnitude and sign, resulting in a bias of the measured values from the true value?
Systematic errors
What is another name for systematic errors that always have the same magnitude and sign?
Determinant errors
Which type of error causes a spread or dispersion of measured values from the true value with different magnitudes and signs?
Random errors
What is another name for random errors that have different magnitudes and signs?
Indeterminate errors
Which type of error is caused by uncontrollable or unknown fluctuations in variables that may affect experimental results?
Indeterminate error
What is the primary difference between accuracy and precision in analytical chemistry?
Accuracy relates to how close a measurement is to the true value, while precision relates to the consistency of multiple measurements.
What is the characteristic of determinate errors in experiments?
They are avoidable and known errors.
What is a common example of a human error that could occur during experiments?
Following the wrong instructions for the experiment.
Learn about gross errors in measurements, which are so large in magnitude that they cannot be attributed to systematic or random errors. Discover how a single gross error, termed an outlier, can affect the accuracy and precision of readings.
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