How To Find The Sample Mean Of A Confidence Interval Complete Guide

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how to find the sample mean of a confidence interval. The confidence interval is. A group of 10 foot surgery patients had a mean weight of 240 pounds.

Statistics 101 Confidence Intervals Population Deviation Known Confidence Interval Statistics Math Statistics Notes
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Confidence level 1 a. We use the following formula to calculate a confidence interval for a mean. Calculate the sample mean ˉx from the sample data.

Therefore the Confidence Interval at a 95 confidence level is 320 to 340.

If you are interested in a CI from a single group then to calculate the confidence interval you need to know the sample size sample standard deviation and the sample arithmetic average. Therefore the Confidence Interval at a 95 confidence level is 320 to 340. To state the confidence interval you just have to take the mean or the average 180 and write it next to and the margin of error. Find a 95 CI.