Asked by Paige
Precision, Accuracy, and Percent Error:
_______________________________________
Suppose a student measures the volume of an aluminum block three times and records the following data: 8.42 cm^3, 8.41 cm^3, and 8.40 cm^3. The accepted volume of the aluminum block is 11.5 cm^3. Comment on the accuracy and precision of the data. Provide an explanation for your answer.
Answer: This data is not accurate because the 3 measurements are close together but less than the accepted volume of the aluminum block of 11.5 cm^3 but at least 3 centimeters.
Am I right? I tend to confuse accuracy and precision. They are almost the same but at the same its confusing to deciper each.
_______________________________________
Suppose a student measures the volume of an aluminum block three times and records the following data: 8.42 cm^3, 8.41 cm^3, and 8.40 cm^3. The accepted volume of the aluminum block is 11.5 cm^3. Comment on the accuracy and precision of the data. Provide an explanation for your answer.
Answer: This data is not accurate because the 3 measurements are close together but less than the accepted volume of the aluminum block of 11.5 cm^3 but at least 3 centimeters.
Am I right? I tend to confuse accuracy and precision. They are almost the same but at the same its confusing to deciper each.
Answers
Answered by
Damon
The close together means high precision.
BUT
The wrong answer means poor accuracy.
BUT
The wrong answer means poor accuracy.
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