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Home / Sample Size Formula Confidence Interval Margin Of Error

Sample Size Formula Confidence Interval Margin Of Error

Sample Size Formula Confidence Interval Margin Of Error. Use 50% if not sure ; For example, a 95% confidence interval with .

1 Sample Mean Confidence Interval Sigma Unknown Stats4stem2
1 Sample Mean Confidence Interval Sigma Unknown Stats4stem2 from stats4stem.weebly.com
In order to construct a 95% confidence interval with a margin of error of 4%, we should . Use 50% if not sure ; Find the sample size, n, and the sample proportion.

Use 50% if not sure ;

This is the minimum sample size, therefore we should round up to 601. Leave blank if unlimited population size. So the margin of error (the distance from either endpoint of the confidence interval to the center) is 2.05 times the standard deviation of the . · divide the result by n.