1. Accuracy and Precision
Section 3 Using Scientific Measurements
Chapter 2
Accuracy and Precision
Accuracy refers to the closeness of measurements to the correct or accepted value of the quantity measured.
Precision refers to the closeness of a set of measurements of the same quantity made in the same way.

2. Accuracy and Precision
Section 3 Using Scientific Measurements
Chapter 2
Accuracy and Precision

3. Accuracy and Precision
Section 3 Using Scientific Measurements
Chapter 2
Accuracy and Precision
Click below to watch the Visual Concept.
Visual Concept

4. Accuracy and Precision, continued
Section 3 Using Scientific Measurements
Chapter 2
Accuracy and Precision, continued
Percentage Error
Percentage error is calculated by subtracting the accepted value from the experimental value, dividing the difference by the accepted value, and then multiplying by 100.