Determination of relative accuracy at measuring of physical quantities
Determination of relative accuracy at measuring of physical quantities. Alternative to Practical
• distinction between systematic errors (including zero errors) and random errors
• Show an understanding of the distinction between precision and accuracy;
• Comment on trends (validity, forecasts, methods of improvement) in results;
• Calculate uncertainties (including graphically);
• Analyze logarithmic relationships.
Accuracy vs. Precision High Accuracy
Accuracy vs. Precision
High Accuracy
High Precision
High Precision
Low Accuracy
Three targets with three arrows each to shoot
Three targets with three arrows each to shoot.
Can you hit the bull's-eye?
Both accurate and precise
Precise but not accurate
Neither accurate nor precise
How do they compare?
Can you define accuracy vs. precision?
Exit Quiz: Evaluate whether the following are precise, accurate or both
Exit Quiz: Evaluate whether the following are precise, accurate or both.
Low Accuracy
Low Precision
Low Accuracy
High Precision
High Accuracy
High Precision
Accuracy & Precision Precision without
Accuracy & Precision
Precision without Accuracy
No Precision & No Accuracy
Accuracy without Precision
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