Determine the critical values for these tests of a population standard deviation. (a) A right-tailed test with 15 degrees of freedom at the a= 0.1 level of significance (b) A left-tailed test for a sample of size n=21 at the a= 0.05 level of significance (c) A two-tailed test for a sample of size n=24 at the a= 0.01 level of significance Click the icon to view a table a critical values for the Chi-Square Distribution. (a) The critical value for this right-tailed test is 22.307 (Round to three decimal places as needed.). (b) The critical value for this left-tailed test is (Round to three decimal places as needed.) Textbook Statcrunch Ask my instructor ... Clear all
Determine the critical values for these tests of a population standard deviation. (a) A right-tailed test with 15 degrees of freedom at the a= 0.1 level of significance (b) A left-tailed test for a sample of size n=21 at the a= 0.05 level of significance (c) A two-tailed test for a sample of size n=24 at the a= 0.01 level of significance Click the icon to view a table a critical values for the Chi-Square Distribution. (a) The critical value for this right-tailed test is 22.307 (Round to three decimal places as needed.). (b) The critical value for this left-tailed test is (Round to three decimal places as needed.) Textbook Statcrunch Ask my instructor ... Clear all
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
B & C please
C says the critical value for a two tailed sample is :

Transcribed Image Text:### Determining Critical Values for Population Standard Deviation Tests
**Determine the critical values for these tests of a population standard deviation.**
1. **A right‐tailed test with 15 degrees of freedom at the α = 0.01 level of significance.**
2. **A left‐tailed test for a sample of size n=21 at the α = 0.05 level of significance.**
3. **A two‐tailed test for a sample of size n=24 at the α = 0.01 level of significance.**
#### Steps for Calculation:
1. **Click the icon to view a table of critical values for the Chi-Square Distribution.**
---
**Solution:**
**(a) The critical value for this right‐tailed test is \( 22.307 \).** \
(Round to three decimal places as needed.)
**(b) The critical value for this left‐tailed test is \( \_ \).** \
(Round to three decimal places as needed.)
---
**Graphical/Diagram Explanation:**
*There are no graphs or diagrams present in the provided image.*
---
*Use this information to understand how to determine critical values for different types of hypothesis tests involving population standard deviations.*
**Additional Resources:**
- Textbook
- Statcrunch
- Ask my instructor
*(Note: Ensure to click on the Chi-Square Distribution critical values table icon for more detailed analyses if needed.)*
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