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Can a measurement be precise without being accurate?
Yes, a measurement can be precise without being accurate. Precision refers to how close repeated measurements are to each other, while accuracy refers to how close a measurement is to the true value. It is possible for measurements to be consistently close to each other (precise) but consistently off from the true value (inaccurate).
Is it possible for an observation to be accurate but not precise?
Yes, it is possible. Accuracy refers to how close an observation is to the true value, while precision refers to how close repeated measurements are to each other. An observation can be accurate if it is close to the true value, even if the measurements are not precise and vary widely.
What is the difference between precise and accurate?
Accuracy is how close to the truth and precision is how narrow the the range of uncertainty or error. For example in guessing weight, of 150 # person, an accurate guess could be 140 # +- 15 #. An inaccurate guess would be 145# +- 2#. The first guess is accurate but not precise, the second is inaccurate but more precise.
Why is quarts used in Watches?
Quartz is used in watches because it provides accurate timekeeping due to the vibrations of a quartz crystal when an electric current is passed through it. This results in more precise timekeeping compared to mechanical watches. Additionally, quartz watches are generally more affordable and require less maintenance than mechanical watches.
Why must scientist make accurate observations?
A scientist must make accurate observations because usually these results are going to be communicated to others. Some people might even want to do the same experiment so you have to give the right directions before something bad happens. However, though, in experiments, scientists repeat their trails for more accurate results.
Explain how a series of measurements can be precise without being accurate?
yes
Why are results precise but not accurate?
Results can be precise but not accurate when they consistently yield the same value or range, indicating low variability, but that value is far from the true or expected value. This scenario often occurs due to systematic errors or biases in the measurement process, leading to consistent but incorrect results. For example, if a scale is miscalibrated, it might always read 5 pounds heavier, providing precise measurements that are not accurate. Thus, precision reflects consistency, while accuracy reflects correctness.
Can a number be accurate but not precise?
no only if it is precise it is accurate
Why is standardization of NaOH necessary for accurate and reliable experimental results?
Standardization of NaOH is necessary for accurate and reliable experimental results because it ensures that the concentration of the NaOH solution is known and consistent. This allows for precise measurements and calculations in experiments, leading to more reliable and reproducible results.
If an experiment gives about the same result every time it is performed then its results are A. precise. B. accurate. C. reproducible. D. all of these?
If an experiment gives about the same result every time it is performed, its results are A. precise. Precision refers to the consistency of results across multiple trials. While accuracy pertains to how close the results are to the true value, reproducibility relates to the ability of the experiment to yield the same results under the same conditions. Therefore, the correct answer is A. precise.
Systematic error produces results that are precise but not?
Systematic errors produce results that are consistent but not accurate. This means the measurements are close to each other but not necessarily close to the true value. This can lead to misleading conclusions because the error is consistently present in the data.
Are 76.48 cm 76.47 cm and 76.59 accurate or precise?
These numbers are precise, as they are all close together. If any one of these are accurate, then this group of numbers can be considered precise and accurate.
What measurement is more precise and accurate?
What determines how precise a measurement is
Does the word precise means careless?
precise means accurate
Is it precise mechanics or percise mechanics?
The correct spelling is 'precise mechanics.' 'Precise' means exact or accurate, so precise mechanics refers to detailed and accurate mechanics in a specific context.
Is a length converter accurate?
Yes, reputable length converters provide accurate results by using precise conversion factors and algorithms, ensuring that conversions are reliable and consistent. visit for information in website: Uzzasoft,com
How can one accurately measure luminance and ensure precise results?
To accurately measure luminance and ensure precise results, one can use a luminance meter or photometer. These devices measure the amount of light emitted or reflected by a surface. It is important to calibrate the device properly, ensure consistent lighting conditions, and follow standardized measurement procedures to obtain accurate and reliable results.
