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Which one of the following statement is not correct?
- a)It is not possible to have precise measurements which are not accurate.
- b)Correctness in measurement requires both accuracy and precision
- c)Reproducibility and consistency are expressions that best describe precision in measurements
- d)An instrument with 2% accuracy is better than another with 5% accuracy
Correct answer is option 'A'. Can you explain this answer?
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Which one of the following statement is not correct?a)It is not possib...
Option (1) Explanation-The unit of measurement can be precise but not accurate. Precision is referred as the closeness of two measurements to one another while accuracy refers to the closeness of the measurement from the standard or known value. Precision is independent from accuracy and may not be accurate. So this statement is not correct.
Option (2) Explanation-Correctness in measurement require both the closeness of the measurement from the standard or known value (accuracy) and Closed value of measurement (Precision). So this statement is correct.
Option (3) Explanation-Precision refers to the consistency of repeated results. The less the differences among repeated measures the larger the measurement precision. So this statement is correct.
Option (4) Explanation-Accuracy" refers to the difference between a measurement taken by a measuring tool and an actual value. The relative accuracy of a measurement can be expressed as a percentage; If a instrument is 98 percent accurate, or that it is accurate within 2 percent. If a instrument is 95 percent accurate, or that it is accurate within 5 percent. So yes 2 percent is better than 5 percent accuracy.
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Which one of the following statement is not correct?a)It is not possib...
Precision and Accuracy in Measurements
Introduction:
Precision and accuracy are two important concepts in the field of measurements. While they are often used interchangeably, they have distinct meanings and implications.
Precision:
- Precision refers to the consistency and reproducibility of a set of measurements.
- It is a measure of how close individual measurements are to each other.
- A precise measurement yields similar results when repeated under the same conditions.
- Expressions like reproducibility and consistency best describe precision.
Accuracy:
- Accuracy refers to how close a measured value is to the true or accepted value.
- It involves both systematic and random errors in measurements.
- An accurate measurement is one that is close to the true value, regardless of the precision of the measurement.
- Accuracy can be affected by various factors such as calibration, instrument limitations, and human error.
Explanation of the Incorrect Statement:
The statement that is not correct is option 'A' - "It is not possible to have precise measurements which are not accurate."
Explanation:
- It is indeed possible to have precise measurements that are not accurate.
- Precision and accuracy are independent of each other.
- Precision deals with the consistency and reproducibility of measurements, while accuracy relates to the closeness to the true value.
- For example, consider a target with a bullseye at the center. If a person shoots multiple arrows and they all hit the same spot, but that spot is away from the bullseye, the measurements are precise (consistent) but not accurate (close to the true value).
- Similarly, if a person shoots multiple arrows and they all hit different spots but are close to the bullseye, the measurements are accurate (close to the true value) but not precise (inconsistent).
- Precision and accuracy are independent qualities of measurements, and it is possible to have precise measurements that are not accurate.
Conclusion:
- Precision and accuracy are important concepts in measurements.
- Precision refers to the consistency and reproducibility of measurements, while accuracy deals with the closeness to the true value.
- It is possible to have precise measurements that are not accurate, as precision and accuracy are independent qualities.
Introduction:
Precision and accuracy are two important concepts in the field of measurements. While they are often used interchangeably, they have distinct meanings and implications.
Precision:
- Precision refers to the consistency and reproducibility of a set of measurements.
- It is a measure of how close individual measurements are to each other.
- A precise measurement yields similar results when repeated under the same conditions.
- Expressions like reproducibility and consistency best describe precision.
Accuracy:
- Accuracy refers to how close a measured value is to the true or accepted value.
- It involves both systematic and random errors in measurements.
- An accurate measurement is one that is close to the true value, regardless of the precision of the measurement.
- Accuracy can be affected by various factors such as calibration, instrument limitations, and human error.
Explanation of the Incorrect Statement:
The statement that is not correct is option 'A' - "It is not possible to have precise measurements which are not accurate."
Explanation:
- It is indeed possible to have precise measurements that are not accurate.
- Precision and accuracy are independent of each other.
- Precision deals with the consistency and reproducibility of measurements, while accuracy relates to the closeness to the true value.
- For example, consider a target with a bullseye at the center. If a person shoots multiple arrows and they all hit the same spot, but that spot is away from the bullseye, the measurements are precise (consistent) but not accurate (close to the true value).
- Similarly, if a person shoots multiple arrows and they all hit different spots but are close to the bullseye, the measurements are accurate (close to the true value) but not precise (inconsistent).
- Precision and accuracy are independent qualities of measurements, and it is possible to have precise measurements that are not accurate.
Conclusion:
- Precision and accuracy are important concepts in measurements.
- Precision refers to the consistency and reproducibility of measurements, while accuracy deals with the closeness to the true value.
- It is possible to have precise measurements that are not accurate, as precision and accuracy are independent qualities.
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Which one of the following statement is not correct?a)It is not possible to have precise measurements which are not accurate.b)Correctness in measurement requires both accuracy and precisionc)Reproducibility and consistency are expressions that best describe precision in measurementsd)An instrument with 2% accuracy is better than another with 5% accuracyCorrect answer is option 'A'. Can you explain this answer?
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Which one of the following statement is not correct?a)It is not possible to have precise measurements which are not accurate.b)Correctness in measurement requires both accuracy and precisionc)Reproducibility and consistency are expressions that best describe precision in measurementsd)An instrument with 2% accuracy is better than another with 5% accuracyCorrect answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Which one of the following statement is not correct?a)It is not possible to have precise measurements which are not accurate.b)Correctness in measurement requires both accuracy and precisionc)Reproducibility and consistency are expressions that best describe precision in measurementsd)An instrument with 2% accuracy is better than another with 5% accuracyCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following statement is not correct?a)It is not possible to have precise measurements which are not accurate.b)Correctness in measurement requires both accuracy and precisionc)Reproducibility and consistency are expressions that best describe precision in measurementsd)An instrument with 2% accuracy is better than another with 5% accuracyCorrect answer is option 'A'. Can you explain this answer?.
Which one of the following statement is not correct?a)It is not possible to have precise measurements which are not accurate.b)Correctness in measurement requires both accuracy and precisionc)Reproducibility and consistency are expressions that best describe precision in measurementsd)An instrument with 2% accuracy is better than another with 5% accuracyCorrect answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Which one of the following statement is not correct?a)It is not possible to have precise measurements which are not accurate.b)Correctness in measurement requires both accuracy and precisionc)Reproducibility and consistency are expressions that best describe precision in measurementsd)An instrument with 2% accuracy is better than another with 5% accuracyCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following statement is not correct?a)It is not possible to have precise measurements which are not accurate.b)Correctness in measurement requires both accuracy and precisionc)Reproducibility and consistency are expressions that best describe precision in measurementsd)An instrument with 2% accuracy is better than another with 5% accuracyCorrect answer is option 'A'. Can you explain this answer?.
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Which one of the following statement is not correct?a)It is not possible to have precise measurements which are not accurate.b)Correctness in measurement requires both accuracy and precisionc)Reproducibility and consistency are expressions that best describe precision in measurementsd)An instrument with 2% accuracy is better than another with 5% accuracyCorrect answer is option 'A'. Can you explain this answer?, a detailed solution for Which one of the following statement is not correct?a)It is not possible to have precise measurements which are not accurate.b)Correctness in measurement requires both accuracy and precisionc)Reproducibility and consistency are expressions that best describe precision in measurementsd)An instrument with 2% accuracy is better than another with 5% accuracyCorrect answer is option 'A'. Can you explain this answer? has been provided alongside types of Which one of the following statement is not correct?a)It is not possible to have precise measurements which are not accurate.b)Correctness in measurement requires both accuracy and precisionc)Reproducibility and consistency are expressions that best describe precision in measurementsd)An instrument with 2% accuracy is better than another with 5% accuracyCorrect answer is option 'A'. Can you explain this answer? theory, EduRev gives you an
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