Accuracy and Precision

What is the definition of accuracy?

• The closeness of a measurement to the true value

• The consistency of repeated measurements

• The degree of exactness of a measurement

• The ability to obtain the same result multiple times

What is the definition of precision?

• The closeness of a measurement to the true value

• The consistency of repeated measurements

• The degree of exactness of a measurement

• The ability to obtain the same result multiple times

What is the difference between accuracy and precision?

• Accuracy refers to the closeness of a measurement to the true value, while precision refers to the consistency of repeated measurements.

• Accuracy refers to the consistency of repeated measurements, while precision refers to the closeness of a measurement to the true value.

• Accuracy refers to the degree of exactness of a measurement, while precision refers to the ability to obtain the same result multiple times.

• Accuracy refers to the ability to obtain the same result multiple times, while precision refers to the degree of exactness of a measurement.

Which statement best describes accuracy?

• Accuracy is the ability to obtain the same result multiple times.

• Accuracy is the degree of exactness of a measurement.

• Accuracy is the closeness of a measurement to the true value.

• Accuracy is the consistency of repeated measurements.

Which statement best describes precision?

• Precision is the ability to obtain the same result multiple times.

• Precision is the degree of exactness of a measurement.

• Precision is the closeness of a measurement to the true value.

• Precision is the consistency of repeated measurements.

In terms of accuracy and precision, which is more desirable?

• High accuracy and low precision

• Low accuracy and high precision

• High accuracy and high precision

• Low accuracy and low precision

Which of the following statements is true?

• A measurement can be accurate but not precise.

• A measurement can be precise but not accurate.

• A measurement cannot be accurate and precise at the same time.

• A measurement is always accurate and precise.

What does it mean if a measurement is accurate but not precise?

• The measurement is consistently close to the true value.

• The measurement is consistently far from the true value.

• The measurement varies widely from the true value.

• The measurement is exactly equal to the true value.

What does it mean if a measurement is precise but not accurate?

• The measurement is consistently close to the true value.

• The measurement is consistently far from the true value.

• The measurement varies widely from the true value.

• The measurement is exactly equal to the true value.

Which of the following statements is true about accuracy and precision?

• Accuracy and precision are always the same.

• Accuracy and precision are unrelated to each other.

• Accuracy and precision are both important in scientific measurements.

• Accuracy is more important than precision in scientific measurements.