Elementary Statistics- Final Exam Review 2023

Elementary Statistics- Final Exam Review 2023 Elementary Statistics- Final Exam Review 2023 1. Which of the following represents data? A.Quiz scores from a college level statistics course. B.20% of the students in a math class make an A. C.A radio station announces the results of a contest. D.A local dentist creates a questionnaire to determine the quality of the care received during an office visit: A.Quiz scores from a college level statistics course. 2. A research company performed a study of Machiavellian traits in accoun- tants. Machiavellian describes negative character traits that include manip- ulation, cunning, duplicity, deception, and bad faith. A questionnaire was administered to a random sample of 700 acccounting alumni of a large university; however, due to nonresponse and incomplete answers, only 203 questionnaires could be analyzed. Several variables were measured, including age, gender, level of education, inco job satisfaction score, and Machiavellian ("Mach") rating score. The resear findings suggest that Machiavellian behavior is not required to achieve suc- cess in the accounting profession. Part B. Identify the population of interest to the researchers. Choose the correct answer below. A.All alumni of the large university B.All accounting alumni of the large university C.The 700 accounting alumni D.All 203 accounting alumni who returned the questionnaire Part B: Identify the sample. Choose the correct answer below. A.The sample is the 700 accounting alumni who returned the questionnaire. B.The sample is all alumni of the large university. C.The sample is the 203 accounting alumni who returned the questionnaire. D.The sample is all accounting alumni of the large university. Part C:Use the information in the study to make an inference about the relevant population. Choose the correct answer below. A.Machiavellian behavior is not required to achieve success in the accounting profession. B.A high level of education is important to achieve success in the accounting profession. C.Gender does not have an effect on success in the accounting profession. D.Job satisfaction is important to achieve success in the accounting profes- sion.: Part A: B)All accounting alumni of the large university Part B: C)The sample is the 203 accounting alumni who returned the questionnaire Part C: A)Machiavellian behavior is not required to achieve success in the accounting profession. 3. If we are collecting sample data for a study, the that we choose can greatly influence the validity of our conclusions. For example, we can use sound statistical methods to analyze data in voluntary response samples, but the results are not necessarily valid.: Sampling Method 4. Which of the following is NOT a voluntary response sample? A. A survey is taken at a mall by asking passersby if they will fill out the survey. B. Quiz scores from a college level statistics course are analyzed to determine student progress. C. A radio station asks for call-in responses to a question concerning city recycling. D. A local dentist asks her patients to fill out a questionnaire and mail it back to determine the quality of the care received during an office visit.: B. Quiz scores from a college level statistics course are analyzed to determine student progress. 5. What does it mean for the findings of a statistical analysis of data to be statistically significant? A.The likelihood of getting these results by chance is very small. B.The results are very important to the health and well-being of a certain population. C.The outcome could easily occur by chance. D.The results do not make enough difference to be of use.: A.The likelihood of getting these results by chance is very small. 6. What is the goal of learning statistics? A.To accept the source of the data blindly B.To use statistics for deception C.To learn to distinguish between statistical conclusions that are likely to be valid and those that are seriously flawed. D.To use voluntary response samples to imply results about the population: C. To learn to distinguish between statistical conclusions that are likely to be valid and those that are seriously flawed. 7. Which of the following is NOT a misuse of statistics? A.Misleading graphs B.Utilizing valid statistical methods and correct sampling techniques C.Concluding that a variable causes another variable because they have some correlation D.Making conclusions about a population based on a voluntary response sample: B.Utilizing valid statistical methods and correct sampling techniques 8. The managers of 28 museums of contemporary art identified the perfor- mance measure most often used to evaluate their performance. A summary and bar graph of the results are available below. Consider the bar graph. Identify two ways in which the bar graph might mislead the viewer by overem- phasizing the importance of one of the performance measures. Select two ways. A.The chart has a misleading title because the vertical axis is displayed as a percentage instead of a proportion. B.The information displayed in the chart does not match the information in the table. C.There is only a measure of central tendency and no measure of variation displayed. D.The vertical axis does not start at zero. E.The bars are not of equal width. F.The horizontal axis does not display units. G.There were not enough museums studied for the results to be significant.- : D.The vertical axis does not start at zero. E.The bars are not of equal width. 9. Which of the following questions is considered a "loaded" question? Choose the correct answer below. A.Do you believe that cell phones cause cancer? B.The scientists at Georgia Tech found that cell phones cause cancer, what do you think:?B.The scientists at Georgia Tech found that cell phones cause cancer, what do you think?