If a measurement is accurate but not precise, what does it imply? (2019)

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Question: If a measurement is accurate but not precise, what does it imply? (2019)

Options:

Correct Answer: Measurements are close to the true value

Exam Year: 2019

Solution:

Accuracy refers to how close a measurement is to the true value.

If a measurement is accurate but not precise, what does it imply? (2019)

If a measurement is accurate but not precise, what does it imply? (2019)

Step 1: Understand what accuracy means. Accuracy is how close a measurement is to the actual or true value.
Step 2: Understand what precision means. Precision refers to how consistent or repeatable measurements are, regardless of whether they are close to the true value.
Step 3: If a measurement is accurate but not precise, it means that the measurement is close to the true value, but if you take multiple measurements, they may vary widely from each other.
Step 4: This situation implies that while you have a correct measurement, the method or tool used to measure may not be reliable for getting the same result every time.

Accuracy vs. Precision – Accuracy refers to how close a measurement is to the true value, while precision refers to the consistency of repeated measurements.