Accuracy

The video tutorial explains the difference between accurate and precise measurements. An accurate measurement is close to the true value but may vary when repeated. In contrast, a precise measurement shows little variability but may not be close to the true value.

What characterizes an accurate measurement?

• It is always exactly the true value.

• It is close to the true value but may vary.

• It never varies and is always precise.

• It is always far from the true value.

How does an accurate measurement differ from a precise one?

• Precise measurements are always close to the true value.

• Precise measurements are always accurate.

• Accurate measurements are always precise.

• Accurate measurements can vary around the true value, while precise ones show little variability.

What is a key feature of precise measurements?

• They vary significantly each time.

• They are always close to the true value.

• They show little variability when repeated.

• They are always accurate.

Which statement is true about precise measurements?

• They can be far from the true value but are consistent.

• They are always close to the true value.

• They vary widely with each measurement.

• They are never accurate.

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

• It is close to the true value but varies a lot.

• It is consistent but not close to the true value.

• It is both consistent and close to the true value.

• It is neither consistent nor close to the true value.