How does the graph of g(x) =
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The sample size, n required to produce a margin of error, M, in a probability proportion distribution is given by:
The above formular shows that the sample size is inversely proportional to the Margin of error.
Then we have:
where k is some constant.
Now suppose we decrease M by a factor of 3,
Therefore, if we decrease the Margin of error by a factor of 3, we need to increase the sample size by a factor of 9.
The above formular shows that the sample size is inversely proportional to the Margin of error.
Then we have:
where k is some constant.
Now suppose we decrease M by a factor of 3,
Therefore, if we decrease the Margin of error by a factor of 3, we need to increase the sample size by a factor of 9.