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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?
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Why must at least two successive mass readings be equal before finishing the experiment?
In order for experiment results to be trusted, they must be both precise and accurate. Successive instrument readings help guarantee both of these.
A measurement that is accurate is one that?
The measurement that is accurate is one that is precise. These are also commonly titled accurate measurements in the books.
What is true if a digital scale reports a 10kg weight as weighing 8.975 kg?
The scale is precise but not accurate. (APEX)
How are accuracy and precision both important?
because they are both a reliable measurement and is both accurate and precise
What is the difference between acurtate and precise?
An accurate answer to a question answers the question. The precision depends on the level of accuracy of the answer.
Can a number be accurate but not precise?
no only if it is precise it is accurate
How do you make a experiment more accurate?
To make an experiment more accurate, you can increase the sample size to reduce the effect of outliers, use control groups to isolate the variable being tested, ensure measurements are precise and consistent, and repeat the experiment multiple times to verify results.
When you do an experiment is it important to have all measuring accurate?
Yes, it is important to have accurate measurements in an experiment because they can directly impact the validity and reliability of the results. Inaccurate measurements can lead to flawed conclusions and unreliable data. Using precise measuring instruments and techniques helps ensure the quality of the experiment.
Why is acid diluted in titration?
Acid is diluted in titration to achieve accurate and precise results. Diluting the acid helps control the rate of the reaction and ensures that the endpoint is reached at the correct volume of titrant, making the titration more reliable and reproducible.
Why must at least two successive mass readings be equal before finishing the experiment?
In order for experiment results to be trusted, they must be both precise and accurate. Successive instrument readings help guarantee both of these.
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.
How can a measurement be accurate but not precise?
Precision: how close measurements are to each other Accuracy: how close measurements are to the "true" or accepted value. If you do 3 trials of an experiment and you get 1.00 grams, 1.01 grams, and 1.03 grams as your answers but the real value was supposed to be close to 6.79 grams, your data was precise but not accurate.
What nutrient medium that has all of its chemical components identified and their precise concentrations known and reproducible would be termed?
Defined medium.
Explain why is a highly precise measurement doesn't not always mean a highly accurate one?
Accurate means how close the measured value is to the real, actual value. Precise means how reproducible the measurement is. So, if the real value is 1.00, and you measure it to be 0.785, and every time you measure it, it comes out the same (0.785), then the measurement is VERY precise, but not very accurate.
Which tool would be likely to provide the most accurate measurement of time in a laboratory experiment involving spinting times of student?
A stopwatch would likely provide the most accurate measurement of time in a laboratory experiment involving sprinting times of students. Stopwatch allows for precise measurement of time down to milliseconds, providing accurate results for analysis.
What measurement is more precise and accurate?
What determines how precise a measurement is
Does the word precise means careless?
precise means accurate
