U LUNHDENCE INTERVALS AND HYPOTHESIS TESTING Confidence interval for the population standard deviation Shasi A psychologist wants to estimate the standard deviation of IQ scores. It is widely believed...

Extracted text: U LUNHDENCE INTERVALS AND HYPOTHESIS TESTING Confidence interval for the population standard deviation Shasi A psychologist wants to estimate the standard deviation of IQ scores. It is widely believed that IQ scores follow a normal distribution. Her random sample of 30 IQ scores has a mean of 96.3 and a standard deviation of 13.1. Find the 95% confidence interval for the population standard deviation based on this sample. Then give its lower limit and upper limit. Carry your intermediate computations to at least three decimal places. Round your answers to at least two decimal places. (If necessary, consult a list of formulas.) Lower limit:|| Upper limit: Explanation Check O 2021 McGraw-Hill Education. All Rights Reserved Terms of Use Privacy Accessiblity Type here to search