![To find the 90% confidence interval for the population variance when n = 15 and the population is known to be normally distributed, what values of chi- squared would you use? | Socratic To find the 90% confidence interval for the population variance when n = 15 and the population is known to be normally distributed, what values of chi- squared would you use? | Socratic](https://useruploads.socratic.org/JiIEg28QiOz0ZxbyM10T_2%20Output%20Image%20%28PNG%29.png)
To find the 90% confidence interval for the population variance when n = 15 and the population is known to be normally distributed, what values of chi- squared would you use? | Socratic
![Chi Square 11.1 Chi Square. All the tests we've learned so far assume that our data is normally distributed z-test t-test We test hypotheses about parameters. - ppt download Chi Square 11.1 Chi Square. All the tests we've learned so far assume that our data is normally distributed z-test t-test We test hypotheses about parameters. - ppt download](https://images.slideplayer.com/37/10727684/slides/slide_14.jpg)
Chi Square 11.1 Chi Square. All the tests we've learned so far assume that our data is normally distributed z-test t-test We test hypotheses about parameters. - ppt download
![SOLUTION: Find the 95% confidence interval for the standard deviation of the lengths of pipes if a sample of 11 pipes has a standard deviation of 12 inches. A. 70.3 < < 443.5 B. 13.0 SOLUTION: Find the 95% confidence interval for the standard deviation of the lengths of pipes if a sample of 11 pipes has a standard deviation of 12 inches. A. 70.3 < < 443.5 B. 13.0](http://i.imgur.com/fejkHg9.png)
SOLUTION: Find the 95% confidence interval for the standard deviation of the lengths of pipes if a sample of 11 pipes has a standard deviation of 12 inches. A. 70.3 < < 443.5 B. 13.0
![chi squared test - How can the confidence interval for standard deviation not include the sample standard deviation? - Cross Validated chi squared test - How can the confidence interval for standard deviation not include the sample standard deviation? - Cross Validated](https://i.stack.imgur.com/kXHYV.png)