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Let Xi;: Kzo denote random sample from N (0, Find best critical region of size a = 5% for testing Ho 02 = against Hi 02 = 2 Does your aSWCr change if the alternativ...

Question

Let Xi;: Kzo denote random sample from N (0, Find best critical region of size a = 5% for testing Ho 02 = against Hi 02 = 2 Does your aSWCr change if the alternative is nOw Hi 02 = 4?

Let Xi;: Kzo denote random sample from N (0, Find best critical region of size a = 5% for testing Ho 02 = against Hi 02 = 2 Does your aSWCr change if the alternative is nOw Hi 02 = 4?



Answers

Consider the test of $H_{0}: \sigma^{2}=5$ against $H_{1}: \sigma^{2}<5 .$ What are the critical values for the test statistic $X_{0}^{2}$ for the following significance levels and sample sizes? (a) $\alpha=0.01$ and $n=20$ (b) $\alpha=0.05$ and $n=12$ (c) $\alpha=0.10$ and $n=15$

Four. The alternative, my boss is with me one, because I mean to all for equal to open or one and one is equal to 12 on into is equal to 50. So determined the degree of freedom in the variance. Oh, it's a very incident equals toe equal toe in one waas in two minus tools is 25. If the degree of freedom is the minimum off in one in two. Yes, which is equal to the minimum off that with minus one. So 11 F 15 management from 14 to 11. So the critical value for the responding degrees of freedom on also equal to open 11 tail from table five appendix B. The test is statistics A is equal to 2.718 critical value and for me in a critical value, 2.6 to 4


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