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the confidence interval. 22. The larger the level of confidence, C, the A) smaller B) larger C) None of the above.

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Nelly Stracke
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10 Mar 2018
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Related questions

An agricultural researcher plants 25 plots with a new variety of yellow corn. Assume that the yield per acre for the new variety of yellow corn follows a Normal distribution with an unknown mean of u and a standard deviation of o= 10 bushels per acre. 24. Which of the following would produce a confidence interval with a smaller margin of error than the 90% confidence interval? A) Plant only five plots rather than 25, because five are easier to manage and control. B) Plant 10 plots rather than 25, because a smaller sample size will result in a smaller margin of error. C) Plant 100 plots rather than 25, because a larger sample size will result in a smaller margin of error. Compute a 99% confidence interval rather than a 90% confidence interval, because a higher confidence level will result in a smaller margin of error.

18. Confidence intervals and two-sided significance tests are linked in the sense that a two-sided test at a significance level a can be carried in the form of a confidence interval with confidence level 1-a. A) True B) False

a, the 27. When performing significance tests at level a, if the P-value obtained is null hypothesis will be rejected. A) larger than B) smaller or the same as C) None of the above.

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