1. 1.2a Notes – Standards of Measurement

2. Objectives
Distinguish between precision and accuracy with respect to experimental data.

3. What is a standard?
A standard is an exact quantity that people agree to use to compare measurements

4. Precision vs. Accuracy
Precision = how closely measurements are to each other and how carefully measurements were made
Accuracy = compares a measurement to the real or accept value

5. In-Class Assignment/Homework
Discovery Education Videos
Precision & Significant Digits
Accuracy & Tool Choice
Accuracy & Precision WKTs
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