accuracy vs precision
DESCRIPTION
Accuracy vs Precision. When you hear the word “accurate” what do you think of?. Precise. =. Accurate. Accurate and Precise do NOT mean the same thing. Accuracy means ………. How close a measurement is to some accepted or true value. Precise means ………. - PowerPoint PPT PresentationTRANSCRIPT
Accuracy vs Precision
When you hear the word “accurate” what do you think
of?
Accurate and Precise do NOT mean the same thing.
Accuracy means ………
How close a measurement is to some accepted or true value.
Precise means ………
Used to describe how close repeated measurements are to each other
A A
Activity
Could I please have 1 boy volunteer and 1 girl volunteer?
Based on the definition given for accurate and precise. Determine if your classmates
are more accurate or precise or both!
Low Accuracy
High Precision
High Accuracy
High Precision
High Accuracy
Low Precision
Low Accuracy
Low Precision
Elmer Fudd was target practicing. Which diagram below best illustrates inaccuracy and precision?
D
C
B
A
Accuracy with Data
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?
Volume cm3
Trial 1 7.77 cm3
Trial 2 7.80 cm3
Trial 3 7.92 cm3
Volume cm3
Trial 1 7.99 cm3
Trial 2 8.01 cm3
Trial 3 7.98 cm3
A
B
Accuracy with Equipment
Which graduated cylinder will give you the most accurate liquid measurement?
A B