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inaccurate calibration
insufficient control of the independent variable
poor measurement techniques
difficulties in reading measurements (low light, vibration, etc.)
insufficient precision in measurement
ambiguities in what is being measured
measurement bias
question bias
failure to control other important variables that are not being measured
(in the case of electronic measurements) interference or static
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Is measurements can be exact?
They cannot be because of errors that can be made by the measurer, calibration of instruments.
Would taking measurements of the same object several times and then averaging them give a more accurate measurement?
Generally, yes, because the averaging removes the effects of random errors in the measurements. However if your measurement technique has biases, these will not be removed through averaging and the averaged result will be biased.
Why do you need standard measurements?
We need standard measurements because it helps us to find the measurements of things.
How are a teaspoon a fluid ounce and a pint different?
They are liquid measurements of different magnitude.They are liquid measurements of different magnitude.They are liquid measurements of different magnitude.They are liquid measurements of different magnitude.
What are the different kinds of measurements?
nonstandard and standard measurements...
Who introduced standardized level measurements to recipes?
Fannie Farmer
Is measurements can be exact?
They cannot be because of errors that can be made by the measurer, calibration of instruments.
What is a sentence for the word Introduced?
The producers introduced the star of the movie at its premiere. Using the wrong units of measure has often introduced errors into scientific calculations.
What has the author C A Padgham written?
C. A. Padgham has written: 'Subjective limitations on physical measurements' -- subject(s): Physical measurements, Scientific Errors
What is the height from your shoulder to your fingertips?
The length from your shoulder to your finger tips varies from person to person. This was why a standard of measurements was introduced by law.
What has the author David Karo written?
David Karo has written: 'Electrical measurements and the calculation of the errors involved'
What system of measurements to most countries use?
Most countries follow "International System of Units " for measurements.This system was officially introduced in 1960 .
How can errors be minimized to determine specific heat?
Errors in measuring specific heat can be minimized by the following : ( 1 ) having a very well insulated calorimeter\ ( 2 ) having a well calibrated calorimeter ( 3 ) having accurate measurements of the masses ( 4 ) having accurate measurements of the temperatures.
Where do errors come from In science?
the impossibility of making exact measurementsthe fact that human beings are making the measurements and interpreting them
When was the SI unit introduced to Singapore?
In 1970, Singapore decided to go for the SI system, and introduced an agency to promote this. By 1981 this aim seems to have been achieved, though old Chinese measurements are still used in traditional medicine.
Do experimental measurements give the true value of physical quantity?
No because there are always experimental errors, instrument limitations, and deviations in measurements. This is called the uncertainty. Experimental values do not give true values but rather a value with an uncertainty.
What is the importance of blank titration?
it is mainly used to find out the errors, hence serve as a useful tool in precise measurements and accurate results.
