Key Takeaways Measurement error Random error Systematic error Precision Accuracy Uncertainty Significant figures Learner Objectives Compare and contrast precision, accuracy, systematic errors, and ran...Key Takeaways Measurement error Random error Systematic error Precision Accuracy Uncertainty Significant figures Learner Objectives Compare and contrast precision, accuracy, systematic errors, and random errors. Identify sources of random and systematic errors.[4] Explain how systematic and random errors affect precision, accuracy and uncertainty.[4] Calculate and report uncertainties in measurements.