We’re being asked to identify the student that is most precise and accurate.
• Accuracy refers to how close the measurement is to the ‘true/actual value’.
• Precision refers to how close the measurements are to each other.
Five students reported their results from an experiment to remove iron fillings (with a magnet) from a mixture with sand. Each student was given exactly 2.00 grams of sand plus some iron. The table below summarizes the recovered mass of sand. Which student was the most accurate and precise?
a. Student A
b. Student B
c. Student C
d. Student D
e. Student E
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Accuracy & Precision concept. You can view video lessons to learn Accuracy & Precision. Or if you need more Accuracy & Precision practice, you can also practice Accuracy & Precision practice problems.