The magnitude of random errors and reproducibility of measurements.

Instrument used to measure the refractive index in a solution.

A biological solution of known value used for verification of accuracy and precision of test results.

To correlate the readings of an instrument with those of a standard order to check the instrument's accuracy.

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Lab Procedures

Key Terms

Term	Definition
Precision	The magnitude of random errors and reproducibility of measurements.
Refractor	Instrument used to measure the refractive index in a solution.
Control Serum	A biological solution of known value used for verification of accuracy and precision of test results.
Calibration	To correlate the readings of an instrument with those of a standard order to check the instrument's accuracy.
Accuracy	How close to the value we get