### Recently Asked Questions

- After taking a random sample of 25 “Fun-Size” candy bars, some sugar-happy statistics students calculate that a 90% confidence interval for the true mean

- Before submitting your research paper, review the Research Paper Rubric, then submit your document through the anti-plagiarism tool, Turnitin Before submitting

- The width of a confidence interval estimate for a population mean when the population standard deviation (sigma) is known will become wider if the sample size