Quiz: Chapter 8 Review Quiz This Question: 1 pt Submit Quiz 2 of 19 (o This Quiz
ID: 3367940 • Letter: Q
Question
Quiz: Chapter 8 Review Quiz This Question: 1 pt Submit Quiz 2 of 19 (o This Quiz: 19 pts possible Assume that a a standard deviation less than 1.8 min. The researcher will use a 0.05 significance level to tost that claim. If the researcher wants to use the confidence interval method of testing hypotheses, what level of confidence should be used for the interval? Will the condlusion based on the confidence interval be the same as the conclusion based on a hypothesis test that uses the f the researcher wants to use the confidence interval method of testing hypotheses, what level of confidence should be used for the O A Since this is a one-tailed test, the researcher should us a confidence level of 0.96. O B. Since this is a one-tailed test, the researcher should use a confidence level of 0.90 O C. Since this is a two-tailed test, the 0 D. Since, this is a two-tailed test, the researcher should use a confidence level of 0.90. should use a confidence level of 0.95 Will the conclusion based on the method? nfidence interval be the same as the conclusion based on a hypothesis test that uses the P-value method or the critical value O A. No; the confidence interval method and the P-value or critical methods never lead to the same conclusion for tests of any type of parameter O B. Yes; the confidence interval method and the P-value or critical methods always lead to the same conclusion for tests of all types of parameters 0 C Yes; the confidence interval method and the P-value or crtical methods always lead to the same conclusion when he tested parameter is the standard deviation. OD. No, the confidence interval method and the P.value or critical methods never lead to the same conclusion when the tested parameter is a proportion.Explanation / Answer
Solution:-
=> option B. Since this is a? one-tailed test, the researcher should use a confidence level of 0.90.
=> option c. Yes; the confidence interval method and the? P-value or critical methods always lead to the same conclusion when the tested parameter is the standard deviation.
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