Accuracy vs Precision

1. Accuracy vs Precision

2. When you hear the word “accurate” what do you think of?

3. Precise = Accurate Accurate and Precise do NOT mean the same thing.

4. Accuracy means ……… How close a measurement is to some accepted or true value.

5. Precise means ……… Used to describe how close repeated measurements are to each other

6. A A

7. Activity Could I please have 1 boy volunteer and 1 girl volunteer?

8. Based on the definition given for accurate and precise. Determine if your classmates are more accurate or precise or both!

9. Low Accuracy Low Precision Low Accuracy High Precision High Accuracy Low Precision High Accuracy High Precision

10. A C B D Elmer Fudd was target practicing. Which diagram below best illustrates inaccuracy and precision?

11. Accuracy with Data LET's Look

12. Student “A” and Student “B” used a ruler to measure the sides of the cube below. The volume of the cube is 8cm3? Which student’s data was more accurate? A B

13. Accuracy with Equipment LET's Look

14. Which graduated cylinder will give you the most accurate liquid measurement? B A