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What amount of sampling error is acceptable in a national sample of 1500 to 3000 respondents?
There can be no set value. An acceptable level of sampling error for a company making high precision machine parts is likely to be very different from the sampling error for household incomes, for example.
What is up sampling and down sampling?
Upsampling is the process of increasing the sampling rate of a signal. For instance, upsampling raster images such as photographs means increasing the resolution of the image.In signal processing, downsampling (or "subsampling") is the process of reducing the sampling rate of a signal. This is usually done to reduce the data rate or the size of the data.
What does the sampling theorem tell us concerning the rate or sampling required for an analog signal?
You must sample at 2 x the rate of the analog signal (2 x the analog signal frequency).
What is the acceptable average Accident frequency rate?
It depends to the acceptable risk level in your company. Usually AFR=10 is acceptable in most companies.
What does data range mean?
Data Range is the values of the data from the minimum to the maximum that you are sampling. For plotting purposes(such as in EXCEL spreadsheet), it is the minimum and Maximum range of the values of X-Axis and Y-Axis.
