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Market Research

6 Excel Functions Help You with Sampling for Survey Research Projects

Function Computes
Sample Size Proportion Sample size needed for a proportional question (percentage) based on a large population to satisfy a desired confidence interval.  
Sample Size Proportion Small Pop Sample size needed for a proportional question (percentage) based on a small population to satisfy a desired confidence interval.
Sample Size Mean Sample size needed for a mean based on a large population to satisfy a desired confidence interval.
Sample Size Mean Small Pop Sample size needed for a mean based on a small population to satisfy a desired confidence interval.
Sample Frequency Every nth selection you need to make in drawing a random sample.  Of course, this assumes that your list is in random order.
Sample Begin Random number to begin selecting for a sample.

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