Confidence interval (“margin of error”)
Confidence interval (“margin of error”) ... For instance, in a poll with a 3% margin of error, the researcher will be 95% confident that the...
Margin of Error and Confidence Interval
Hypothesis Testing For Population Proportion Number of people surveyed n = Number of people who answered positive x = alpha = Enter p...
Margin of Error and Confidence Interval
Finding Margin of Error and Confidence Interval. Sample size n = Sample Mean (xbar) = Sample Standard Deviation s Degree of Confidence %