Find N From Confidence Interval. Find the number of samples n. The sample size is n10 the degrees of freedom df n-1 9.
137 ft. Find a 95 confidence interval for a population mean given the following information. Decide the confidence interval of your choice.
May 12 2011 You can find the upper and lower bounds of the confidence interval by adding and subtracting the margin of error from the mean.
Aug 07 2020 n the sample size. Confidence interval for non-normally distributed data. Because the sample size is small we must now use the confidence interval formula that involves t rather than Z. Suppose we want to estimate the proportion of residents in a county that are in favor of a certain law.
