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You can make a very precise measurement with a poorly calibrated device.

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How do you explain how results can be precise but not accurate?

Results can be precise to the exact feat done. The results of a lab test are precise to everything that influenced, or interfered with the end result. The results of the same lab test may not be accurate for what is it being tested for.


What is the advantage in using a stage micrometer and a graduated eyepiece measuring the size of the object?

Using a stage micrometer and a graduated eyepiece allows for accurate calibration of the microscope, which ensures precise measurements of the size of the object being observed. This calibration helps in eliminating parallax errors and provides a standard reference for accurate measurements.


Why oniy four probes are used?

Using four probes allows for a balanced and accurate measurement of the material being tested. The four-probe method minimizes errors caused by contact resistance and leads to more reliable results. Additionally, the four-probe configuration can help to reduce the effects of sample inhomogeneities on the measurement.


What are the proper spacing for probes in a four point test?

In a four-point probe measurement, the spacing between the probes should be equal and typically around 1 mm. This spacing ensures accurate measurement of the electrical properties of the sample being tested. Make sure the probes are evenly spaced and aligned with each other for reliable results.


What does the chronometer mean?

A chronometer is very accurate timepiece. It was critical in being able to navigate on the oceans. The creation of a reliable and accurate chronometer was one of the things that made Britain the ruler of the oceans for a long time.

Related Questions

Explain how a series of measurements can be precise without being accurate?

yes


What are some common questions about measurement that are frequently asked?

Some common questions about measurement that are frequently asked include: How accurate is the measurement? What units are being used? Is the measurement precise? How was the measurement taken?


What is Precise Value?

Precise value refers to an exact measurement or quantity without any ambiguity or rounding. It provides an accurate representation of the value being measured, ensuring that calculations or comparisons are as accurate as possible. This is often important in fields such as science, engineering, and finance where precision is essential.


Is it possible to be accurate and not precise?

The term "precise" refers to the range of measurement to which a value is calculated. The term "accurate" implies that the measurement value is essentially correct, to within some range of error.However, the terms are often used synonymously, since "precise" has the desired quality of being exact, which in some cases is a separate concept from accuracy.


What measurements is most accurate?

The most accurate measurement will depend on the specific context and what is being measured. In general, measurements taken using precise and calibrated instruments under controlled conditions tend to be the most accurate. It is important to consider factors such as calibration, precision, and reliability when determining the accuracy of a measurement.


How does the use of a burette make a titration precise?

A burette allows for precise and accurate measurement of the volume of titrant added during a titration. The graduations on the burette permit the volume to be read to high precision, enabling accurate determination of the endpoint of the titration. This facilitates precise calculation of the concentration of the analyte in the solution being titrated.


Distinguish between accuracy and precision of a measurement?

Measurements are precise when they are all very similar (ie, if a temperature was measured as 23.2C, 23.1C, and 23.3C). Measurements are accurate when they are close to a known value (such as 100.01C measured as the boiling point of pure water at 1 atm).


What does unnerring mean?

"Unerring" means being consistently accurate or precise, without making mistakes. It suggests being infallible or faultless in judgement or action.


How can a series of measurements be precise without being accurate?

Precision is the number of significant figures, a function of the instrument / procedure used. Accuracy describes measurement error, indicating how closely that the measurement represents the actual value. Errors affect accuracy... like the butcher's thumb on the scale.


What are the differences between the accuracy and precision?

Accuracy refers to how close a measured value is to the true or accepted value, while precision refers to how close multiple measurements are to each other. In other words, accuracy indicates correctness, whereas precision indicates consistency. A measurement can be precise but not accurate if it consistently misses the true value by the same amount, while it can be accurate without being precise if measurements are scattered.


What is an example of being precise but not accurate?

An example of being precise but not accurate is measuring the length of a table as 150.0 centimeters when the true length is actually 160 centimeters. The measurement is very specific and consistent, indicating precision, but it does not reflect the true value, demonstrating a lack of accuracy. This scenario highlights the difference between consistently obtaining the same result and obtaining the correct result.


If you measure the mass of an object four times and get values that are very close to each other the measurements are said to be?

If you take a measurement multiple times, and get similar values each time, then the data is said to be very precise. If this group of data is very close to the expected value, then the data is said to be accurate. However, a set of data may be precise without being accurate if the measured values are all similar to one another, but not close to the expected value.