Accuracy vs Precision
When you hear the word “accurate” what do you think of?
Accurate and Precise do NOT mean the same thing. = Precise
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
Could I please have 1 boy volunteer and 1 girl volunteer? Activity Could I please have 1 boy volunteer and 1 girl volunteer?
Based on the definition given for accurate and precise Based on the definition given for accurate and precise. Determine if your classmates are more accurate or precise or both!
Low Accuracy Low Precision Low Accuracy High Precision High Accuracy Low Precision High Accuracy High Precision
Elmer Fudd was target practicing Elmer Fudd was target practicing. Which diagram below best illustrates inaccuracy and precision? D C B A
Accuracy with Data LET's Look
A B Volume cm3 Trial 1 7.77 cm3 Trial 2 7.80 cm3 Trial 3 7.92 cm3 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 A Volume cm3 Trial 1 7.99 cm3 Trial 2 8.01 cm3 Trial 3 7.98 cm3 B
Accuracy with Equipment LET's Look
Which graduated cylinder will give you the most accurate liquid measurement? B A