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Stack sampling is a process of gathering representative samples of the gases (pollutants) in an industrial smoke stack to determine its composition. The physical environment in a stack is complex and stack sampling involves fair amount of physical modelling to ensure the gases samples represent the average gas composition in the stack.
Stack sampling can also by done by passing a beam of light through the stack gases and observing the absorption spectra.
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What are the various kind of sampling?
They include: Simple random sampling, Systematic sampling, Stratified sampling, Quota sampling, and Cluster sampling.
Which one is called non probability sampling a. cluster sampling b.quota sampling c. systematic sampling d. stratified sampling?
Answer is Quota sampling. Its one of the method of non-probability sampling.
What is sampling in research?
Sampling techniques in researching involves to types of sampling. The probability sampling and the non-probability sampling. Simple random is an example of probability sampling.
Is convenience sampling method not a random sampling?
You are correct; convenience sampling is not random sampling.
Define the four different sampling techniques?
1) Simple random sampling 2) Systematic sampling 3) Stratified sampling 4) Cluster sampling 5) Probability proportional to size sampling 6) Matched random sampling 7) Quota sampling 8) Convenience sampling 9) Line-intercept sampling 10) Panel sampling
What are the sources of sampling errors?
Sampling and Non sampling errors
What type of sampling (sample strategy) is it when I am sampling employees from different organizations?
Convenience sampling or quota sampling
What is the difference between quota sampling and cluster sampling?
What is the difference between quota sampling and cluster sampling
Mention different types of sampling in statistics.?
Simple Random Sample Stratified Random Sampling Cluster Sampling Systematic Sampling Convenience Sampling
What is a dry sampling?
What is a dry sampling?
What sampling method?
Random Sampling
Are the sampling techniques the same for solid liquids and gases?
No, sampling techniques differ for solid, liquid, and gas samples. For solids, techniques like grab sampling or core sampling are commonly used. Liquids can be sampled using methods like grab sampling, pump sampling, or composite sampling. Gases are typically sampled using techniques like grab sampling, passive sampling, or active sampling using pumps or sorbent tubes.
