Interval Dataset Statistics Worksheet


A student reported a 95% confidence interval of [3.21,4.29] What is the mean of the data set? Interpret the meaning of the confidence interval. A student conducted a test at 0.05, and she found the 95% CI to be [4.79,7.25]. The mean for the sample is 5.12. Is the conclusion for the test that there is a significant difference or that there is not a significant difference? You should fully explain how you can use this information to draw a conclusion.