oldexam - STAT 110 FINAL EXAM Name This exam contains 40...

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STAT 110 Name_____________ FINAL EXAM This exam contains 40 multiple choice, fill-in-the-blank, and T/F questions and one essay question. A formulae sheet is attached to the end of this exam. It contains confidence interval and hypothesis testing formulae. A table of Z scores and their corresponding percentiles (table B) will be projected on the overhead should you need it. Sometimes you will need to read a short description of an experiment/survey or problem and answer several questions regarding that experiment/survey. If this is the case, the description of the experiment or problem will appear first and you will be informed which questions apply to that experiment or problem. Some multiple choice questions have more than one correct answer . If this is the case, you will be prompted with "CIRCLE ALL THAT APPLY" or "CIRCLE TWO" If you do not see 'CIRCLE ALL THAT APPLY" or "CIRCLE TWO", then there is only one correct answer. This is a closed book closed note exam. You may use a calculator but you may not use a CELL PHONE CALCULATOR HONOR PLEDGE After you finish the exam, please read the following statement and sign your name below it. I promise that I did not discuss any aspect of this exam with anyone other than the instructor, that I neither gave nor received any unauthorized assistance on this exam, and that the work presented herein is entirely my own.
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(4pts) When we take a census, we attempt to collect data from a. a sample of the population. b. every individual selected in a simple random sample. c. every individual in the population. d. all adults with normal vision. 2. (4pts) A simple random sample is a. used to make inference(s) about a population. b. used to make inference(s) about a sample. c. useless d. biased Use the following information for questions 3 and 4. In a survey, 1235 young Americans aged 5 – 18 were asked "Do you know who the current president of the United States is?" 935 of the them answered correctly. 3. (4pts) The population in this study is a. all Americans b. the 1235 young adults aged 5 to 18 c. all young Americans aged 5 to 18 d. the proportion of young American adults who answered correctly 4. (4pts) The sample in this study is a. the 935 young adults who answered correctly b. the 1235 young adults aged 5 to 18 c. all young adults aged 5 to 18 d. the proportion of young American adults who answered correctly 5. (2pts) T or F. Non-random sampling error is likely to occur if a researcher uses a telephone directory as a sampling frame. 6.
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This note was uploaded on 06/15/2011 for the course STAT 110 taught by Professor Johnson during the Fall '07 term at South Carolina.

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oldexam - STAT 110 FINAL EXAM Name This exam contains 40...

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