![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_16.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
![CONFIDENCE INTERVAL FOR THE STANDARD DEVIATION σ We have a point estimate for σ: S (or S 2 for σ 2 ). Want a confidence interval for σ. Let sample from. - ppt download CONFIDENCE INTERVAL FOR THE STANDARD DEVIATION σ We have a point estimate for σ: S (or S 2 for σ 2 ). Want a confidence interval for σ. Let sample from. - ppt download](https://images.slideplayer.com/16/4957157/slides/slide_2.jpg)
CONFIDENCE INTERVAL FOR THE STANDARD DEVIATION σ We have a point estimate for σ: S (or S 2 for σ 2 ). Want a confidence interval for σ. Let sample from. - ppt download
![PPT - 7.4 Confidence Intervals for Variance and Standard Deviation PowerPoint Presentation - ID:3021369 PPT - 7.4 Confidence Intervals for Variance and Standard Deviation PowerPoint Presentation - ID:3021369](https://image1.slideserve.com/3021369/example-using-chi-square-table-l.jpg)
PPT - 7.4 Confidence Intervals for Variance and Standard Deviation PowerPoint Presentation - ID:3021369
![r - How to define a function of `f_n-chi-square and use `uniroot` to find Confidence Interval? - Stack Overflow r - How to define a function of `f_n-chi-square and use `uniroot` to find Confidence Interval? - Stack Overflow](https://i.stack.imgur.com/fGxZV.jpg)