Transcription of Practice Final Exam Questions (2) -- Answers
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Practice Final Exam Questions (2) -- Answers Part A. Multiple Choice Questions . For each question , you are encouraged to give a reason or show work for partial credit. You must show your work or reason if the question is marked with an asterisk (*). 1. Confidence intervals are useful when trying to estimate _____. a. unknown parameters b. known parameters c. unknown statistics d. known statistics 2. The one-sample z statistic is used instead of the one-sample t statistic when _____. a. is known b. is unknown c. is known d. is unknown 3. The ____ the P-value, the stronger the evidence against the null hypothesis provided by the data. a. larger b. smaller 4. (*) The test statistic for a two-sided significance test for a population mean is z = What is the corresponding P-value?
Practice Final Exam Questions (2) -- Answers . Part A. Multiple Choice Questions. For each question, you are encouraged to give a reason or show work for partial credit. You must show your work or reason if the question is marked with an asterisk (*). 1. Confidence intervals are useful when trying to estimate _____. a. unknown parameters b.
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