which one is the more precise measurement ?

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which one is the more precise measurement ?

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https://phys.libretexts.org/Bookshelves/College_Physics/College_Physics_1e_(OpenStax)/01:_The_Nature_of_Science_and_Physics/1.03:_Accuracy_Precision_and_Significant_Figures

https://phys.libretexts.org/Bookshelves/College_Physics/College_Physics_1e_(OpenStax)/01:_The_Nature_of_Science_and_Physics/1.03:_Accuracy_Precision_and_Significant_Figures
1.3: Accuracy, Precision, and Significant Figures
In general, a precise measuring tool is one that can measure values in very small increments. For example, a standard ruler can measure length to the nearest millimeter, while a caliper can measure length to the nearest 0.01 millimeter. … The smaller the measurement increment, the more precise the tool. Significant figures express the …

https://openstax.org/books/college-physics-2e/pages/1-3-accuracy-precision-and-significant-figures

https://openstax.org/books/college-physics-2e/pages/1-3-accuracy-precision-and-significant-figures
1.3 Accuracy, Precision, and Significant Figures – OpenStax
In general, a precise measuring tool is one that can measure values in very small increments. For example, a standard ruler can measure length to the nearest millimeter, while a caliper can measure length to the nearest 0.01 millimeter. The caliper is a more precise measuring tool because it can measure extremely small differences in length.

https://phys.libretexts.org / Courses / Georgia_State_University / GSU-TM-Physics_I_(2211) / 01:_Introduction_to_Physics_and_Measurements / 1.03:_Measurements_Uncertainty_and_Significant_Figures

https://phys.libretexts.org / Courses / Georgia_State_University / GSU-TM-Physics_I_(2211) / 01:_Introduction_to_Physics_and_Measurements / 1.03:_Measurements_Uncertainty_and_Significant_Figures
1.3: Measurements, Uncertainty and Significant Figures
27 août 2023The caliper is a more precise measuring tool because it can measure extremely small differences in length. The more precise the measuring tool, the more precise the measurements. … Here there is only one measurement of one quantity. Example (PageIndex{1}) Calculate (1.23 ± 0.03) + (pi). ((pi) is the irrational number 3.14159265…)

https://statisticsbyjim.com/basics/accuracy-vs-precision

https://statisticsbyjim.com/basics/accuracy-vs-precision
Accuracy vs Precision: Differences & Examples – Statistics by Jim
Definition of Accuracy. Accuracy assesses whether a series of measurements are correct on average. For example, if a part has an accepted length of 5mm, a series of accurate data will have an average right around 5mm. In statistical terms, accuracy is an absence of bias. In other words, measurements are not systematically too high or too low.

https://sciencenotes.org/significant-figures-and-uncertainty

https://sciencenotes.org/significant-figures-and-uncertainty
Significant Figures Rules and Uncertainty – Science Notes and Projects
Example: Add the following three measurements: 24.21 cm, 5.005 cm and 22 cm. If you add them up, you get 51.215 m. The least precise measurement is the 22 cm measurement, so the answer should have the same precision. The value of the calculation would be reported as 51 m.

https://courses.lumenlearning.com/suny-physics/chapter/1-3-accuracy-precision-and-significant-figures

https://courses.lumenlearning.com/suny-physics/chapter/1-3-accuracy-precision-and-significant-figures
Accuracy, Precision, and Significant Figures | Physics – Lumen Learning
In general, a precise measuring tool is one that can measure values in very small increments. For example, a standard ruler can measure length to the nearest millimeter, while a caliper can measure length to the nearest 0.01 millimeter. The caliper is a more precise measuring tool because it can measure extremely small differences in length.

https://sciencenotes.org/what-is-the-difference-between-accuracy-and-precision

https://sciencenotes.org/what-is-the-difference-between-accuracy-and-precision
What Is the Difference Between Accuracy and Precision?
Precision is a measure of how close your experimental measurements agree with each other. The closer each measurement is to the other measurements, the more precise your measurement. If the measurements were shots in a target, the closer the holes are to each other, the more precise the shots. Here, the shots are all clustered together.

https://openstax.org/books/chemistry-2e/pages/1-5-measurement-uncertainty-accuracy-and-precision

https://openstax.org/books/chemistry-2e/pages/1-5-measurement-uncertainty-accuracy-and-precision
1.5 Measurement Uncertainty, Accuracy, and Precision
The quarter weighs about 6.72 grams, with a nominal uncertainty in the measurement of ± 0.01 gram. If the coin is weighed on a more sensitive balance, the mass might be 6.723 g. This means its mass lies between 6.722 and 6.724 grams, an uncertainty of 0.001 gram. Every measurement has some uncertainty, which depends on the device used (and the …

https://inchemistry.acs.org/college-life/accuracy-vs-precision.html

https://inchemistry.acs.org/college-life/accuracy-vs-precision.html
Know Your Techniques: Accuracy, Precision, and Using the Right …
7 déc. 2022Digital readouts are simpler: the more values given, the more precise your measurement is. A top-loading balance may only give you two decimal places in your mass reading, whereas an analytical balance may give you three or four decimal places. If your sample is more than 10 g, a top-loading balance will give you at least four significant figures.

https://en.wikipedia.org/wiki/Accuracy_and_precision

https://en.wikipedia.org/wiki/Accuracy_and_precision
Accuracy and precision – Wikipedia
Accuracy is also used as a statistical measure of how well a binary classification test correctly identifies or excludes a condition. That is, the accuracy is the proportion of correct predictions (both true positives and true negatives) among the total number of cases examined. As such, it compares estimates of pre- and post-test probability.To make the context clear by the semantics, it is …
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