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How can systemic error be a larger source of error than random sampling error?
Wiki User
∙ 16y ago
it is the problem with the instrument that is being used.Even if it is a new instrument, it needs to be caliberated before performing any kinds of experiment. It can be avoided if lab is free from any form of damages including environment the instrument is kept in.
Random errors are mainly due to wrong handling of the experimental procedure. That is why to avoid random errors more than one trial are performed.
Wiki User
∙ 16y ago
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What are the major source of sampling error?
The major source of sampling error is sampling bias. Sampling bias is when the sample or people in the study are selected because they will side with the researcher. It is not random and therefore not an adequate sample.
We use to get random pagers for workload sampling from Divilbiss They stoped making them Does anyone know of another company that makes them?
Wish I knew, that is where we got them also and have been looking for a new source since. Please let me know if you find someone.
What is the difference between sampling frame and sampling uinit?
Samplig frame is the source material from which the sample is drawn. If you have a 'list' of names of all inviduals from which you could draw a sample, the list is a sampling frame. A samplig unit is the sample being chosen.
What has the author Jimmy C Pau written?
Jimmy C. Pau has written: 'Sampling and analysis of PCDDs and PCDFs in stationary source emission air samples' -- subject(s): Analysis, Polychlorinated dibenzodioxins, Polychlorinated dibenzofurans 'A tedlar bag sampling system for toxic organic compounds in source emission sampling and analysis' -- subject(s): Pollutants
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What was the source of motion in the particles that Brown investivated?
The source of motion in the particles Brown investigated was random thermal energy from the surrounding fluid. This random motion is known as Brownian motion.
Why does a fetus have a special bypass to connect the pulmonary artery to the systemic arch?
because the lungs are deflated and not yet a source of oxygen.
What is the main source of random errors?
The main source of random errors is the human factor. People make mistakes all the time. An error can sometimes lead to a very big mistake when the error is not corrected.
What is intentional Bias?
Unintentional bias means the source of the bias is in the data collection or sampling method. Its not done purposefully, but rather ignorantly.
What is source of nhhhhhhhhhhhhhhhhhhh?
It seems like "nhhhhhhhhhhhhhhhhhhh" is random gibberish. There is no specific source for this phrase as it does not have any known meaning or context.
What is the source of genetic variation that refers to random error in the genetic code?
Mutations
What is the source of pebbles?
larger pebbles, rocks, or boulders.
