7-10 hypothesis testing ro luul Riven given that the test statistic is z 2.00. 7

Question

7-10 hypothesis testing

ro luul Riven given that the test statistic is z 2.00. 7. Equivalent Methods which of the following statements are true? a. When testing a claim about H, the P-value method, critical value m and confidence interval method are all equivalent. b. Wh en testing a claim about a population proportion p, the Pvalue method, critical value method, and confidence interval method are all equivalent. c. When testing a claim about any population parameter, the P-val method, critical value method, and confidence interval method are all equivalent. 8, Chi-square Test In a test of the claim that o 15 for the ulation of IQ scores ol Facebook friends, we find the the rightmost critical value is 71.420. Is the leftmost critical x value equal to -71.420? 9. Conclusions True or false: In hypothesis testing, it is never valid to form a conclusion of supporting the null hypothesis, 10. ability True or false: If correct methods of hypothesis testing are used with a large simple random sample, the conclusion will always be true.

Explanation / Answer

7).

a). True

b). True

c). True

8). False. ( Chi square critical value never negative)

9).True ( we Reject or fail to reject Ho).

10). False.

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