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STATISTICS FINAL EXAM STUDY GUIDE QUESTIONS & ANSWERS SOLVED TO PASS 100%
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STATISTICS FINAL EXAM STUDY GUIDE QUESTIONS & ANSWERS SOLVED TO PASS 100%
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清明节是中国的传统扫墓节日，人们通过祭祖、扫墓等活动，表达对先人的怀念和敬仰。端午节通过赛龙舟、
吃粽子等活动，纪念伟大的爱国诗人屈原。中秋节则是
人们赏月、吃月饼的时刻，表达对团圆的向往和美好生
活的祝愿 。 哲学与思想 中国的哲学思想博大精深， 对中华文化的发展产生了深
远的影响。儒家思想以其 “仁”、“义”、“礼”、“智”、“信”
等核心理念，影响了中国几千年的社会 结构和价值观念
。道家思想以其 “道法自然 ”、“无为而治”等理念， 强调人
与自然的和谐相处，追求个人的精神境界 。 清明节是中国的传统扫墓节日，人们通过祭祖、扫墓等
活动，表达对先人的怀念和敬仰。端午节通过赛龙舟、
吃粽子等活动，纪念伟大的爱国诗人屈原。中秋节则是
人们赏月、吃月饼的时刻，表达对团圆的向往和美好生
活的祝愿 。 哲学与思想 中国的哲学思想博大精深， 对中华文化的发展产生了深
远的影响。儒家思想以其 “仁”、“义”、“礼”、“智”、“信”
等核心理念，影响了中国几千年的社会 结构和价值观念
。道家思想以其 “道法自然 ”、“无为而治”等理念， 强调人
与自然的和谐相处，追求个人的精神境界 。 清明节是中国的传统扫墓节日，人们通过祭祖、扫墓等
活动，表达对先人的怀念和敬仰。端午节通过赛龙舟、
吃粽子等活动，纪念伟大的爱国诗人屈原。中秋节则是
人们赏月、吃月饼的时刻，表达对团圆的向往和美好生
活的祝愿 。 哲学与思想 中国的哲学思想博大精深， 对中华文化的发展产生了深
远的影响。儒家思想以其 “仁”、“义”、“礼”、“智”、“信”
等核心理念，影响了中国几千年的社会 结构和价值观念
。道家思想以其 “道法自然 ”、“无为而治”等理念， 强调人
与自然的和谐相处，追求个人的精神境界 。 清明节是中国的传统扫墓节日，人们通过祭祖、扫墓等
活动，表达对先人的怀念和敬仰。端午节通过赛龙舟、 STATISTICS FINAL EXAM STUDY GUIDE QUESTIONS & ANSWERS SOLVED TO PASS 100% A large state university conducted a survey among their students and received 400 responses. The survey asked the students to provide the following information: *Age *Year in School (Freshman, Sophomore, Junior, Senior) *Major What type of graph would you use to describe the variable Major? (correct answer) A bar chart because Major is a categorical variable. Parking at a university has become a problem. University administrators are interested in determining the average time it takes a student to find a parking spot. An administrator inconspicuously followed 180 students and recorded how long it took each of t hem to find a parking spot. Which of the following types of graphs should NOT be used to display information concerning the students parking times? (correct answer) pie chart A large state university conducted a survey among their students and received 300 responses. The survey asked the students to provide the following information:* Age* Year in School (Freshman, Sophomore, Junior, Senior)* Gender* GPA (correct answer) A his togram because Age is a numerical variable. 清明节是中国的传统扫墓节日，人们通过祭祖、扫墓等
活动，表达对先人的怀念和敬仰。端午节通过赛龙舟、
吃粽子等活动，纪念伟大的爱国诗人屈原。中秋节则是
人们赏月、吃月饼的时刻，表达对团圆的向往和美好生
活的祝愿 。 哲学与思想 中国的哲学思想博大精深， 对中华文化的发展产生了深
远的影响。儒家思想以其 “仁”、“义”、“礼”、“智”、“信”
等核心理念，影响了中国几千年的社会 结构和价值观念
。道家思想以其 “道法自然 ”、“无为而治”等理念， 强调人
与自然的和谐相处，追求个人的精神境界 。 清明节是中国的传统扫墓节日，人们通过祭祖、扫墓等
活动，表达对先人的怀念和敬仰。端午节通过赛龙舟、
吃粽子等活动，纪念伟大的爱国诗人屈原。中秋节则是
人们赏月、吃月饼的时刻，表达对团圆的向往和美好生
活的祝愿 。 哲学与思想 中国的哲学思想博大精深， 对中华文化的发展产生了深
远的影响。儒家思想以其 “仁”、“义”、“礼”、“智”、“信”
等核心理念，影响了中国几千年的社会 结构和价值观念
。道家思想以其 “道法自然 ”、“无为而治”等理念， 强调人
与自然的和谐相处，追求个人的精神境界 。 清明节是中国的传统扫墓节日，人们通过祭祖、扫墓等
活动，表达对先人的怀念和敬仰。端午节通过赛龙舟、
吃粽子等活动，纪念伟大的爱国诗人屈原。中秋节则是
人们赏月、吃月饼的时刻，表达对团圆的向往和美好生
活的祝愿 。 哲学与思想 中国的哲学思想博大精深， 对中华文化的发展产生了深
远的影响。儒家思想以其 “仁”、“义”、“礼”、“智”、“信”
等核心理念，影响了中国几千年的社会 结构和价值观念
。道家思想以其 “道法自然 ”、“无为而治”等理念， 强调人
与自然的和谐相处，追求个人的精神境界 。 清明节是中国的传统扫墓节日，人们通过祭祖、扫墓等
活动，表达对先人的怀念和敬仰。端午节通过赛龙舟、 The two histograms below display the exact same data. How do the plots differ? (correct answer) Histogram (i) uses relative frequencies to show the proportion of observations at a given value. Histogram (ii) uses frequencies to simply count the number of observations at a given value. In a survey, high school graduates were asked "Did you play sports in high school?" The response was electronically recorded as a "1" for yes and a "0" for no. This is an example of . (correct answer) coded categorical data In a survey, married couples were asked, "Do you have children?" The response was electronically recorded as a "1" for yes and a "0" for no. This is an example of . (correct answer) Coded categorical data In a study of 900 adults, 45 out of the 325 men in the study said that they preferred to rent a movie on DVD rather than going out to a movie theater.What is the approximate percentage of men in this study who prefer to rent a movie on DVD? (correct answer ) 13.8% In a study of 1350 elementary school children, 118 out of the 615 girls in the study said they want to be a teacher when they grow up.What percent of girls want to be a teacher when they grow up? (correct answer) 19.2% 清明节是中国的传统扫墓节日，人们通过祭祖、扫墓等
活动，表达对先人的怀念和敬仰。端午节通过赛龙舟、
吃粽子等活动，纪念伟大的爱国诗人屈原。中秋节则是
人们赏月、吃月饼的时刻，表达对团圆的向往和美好生
活的祝愿 。 哲学与思想 中国的哲学思想博大精深， 对中华文化的发展产生了深
远的影响。儒家思想以其 “仁”、“义”、“礼”、“智”、“信”
等核心理念，影响了中国几千年的社会 结构和价值观念
。道家思想以其 “道法自然 ”、“无为而治”等理念， 强调人
与自然的和谐相处，追求个人的精神境界 。 清明节是中国的传统扫墓节日，人们通过祭祖、扫墓等
活动，表达对先人的怀念和敬仰。端午节通过赛龙舟、
吃粽子等活动，纪念伟大的爱国诗人屈原。中秋节则是
人们赏月、吃月饼的时刻，表达对团圆的向往和美好生
活的祝愿 。 哲学与思想 中国的哲学思想博大精深， 对中华文化的发展产生了深
远的影响。儒家思想以其 “仁”、“义”、“礼”、“智”、“信”
等核心理念，影响了中国几千年的社会 结构和价值观念
。道家思想以其 “道法自然 ”、“无为而治”等理念， 强调人
与自然的和谐相处，追求个人的精神境界 。 清明节是中国的传统扫墓节日，人们通过祭祖、扫墓等
活动，表达对先人的怀念和敬仰。端午节通过赛龙舟、
吃粽子等活动，纪念伟大的爱国诗人屈原。中秋节则是
人们赏月、吃月饼的时刻，表达对团圆的向往和美好生
活的祝愿 。 哲学与思想 中国的哲学思想博大精深， 对中华文化的发展产生了深
远的影响。儒家思想以其 “仁”、“义”、“礼”、“智”、“信”
等核心理念，影响了中国几千年的社会 结构和价值观念
。道家思想以其 “道法自然 ”、“无为而治”等理念， 强调人
与自然的和谐相处，追求个人的精神境界 。 清明节是中国的传统扫墓节日，人们通过祭祖、扫墓等
活动，表达对先人的怀念和敬仰。端午节通过赛龙舟、The histogram below shows the distribution of pass rates on a swimming test taken by all children who completed a four week summer swim course at the local YMCA. What is the typical pass rate for the swim test? (correct answer) about 75% Marital status of each member of a randomly selected group of adults is an example of what type of variable? (correct answer) categorical variable The number of parents who attended parent teacher conferences at a local elementary school is an example of what type of variable? (correct answer) numerical variable A group of 500 patients who suffer from hypothyroidism, a condition in which your thyroid does not produce enough of certain hormones, were asked to participate in a study to determine the effectiveness of a new medication. The patients were randomly divid ed into two groups, one that was given the actual medication, and one that received a placebo pill. The results of the study are below. Was the new medication effective in treating hypothyroidism? (correct answer) Yes, a higher percent of patients who took the medication had improved symptoms than the patients who took the placebo. Which of the following would likely show a bimodal distribution in a histogram? (correct answer) The heights of all students in a high school band. 清明节是中国的传统扫墓节日，人们通过祭祖、扫墓等
活动，表达对先人的怀念和敬仰。端午节通过赛龙舟、
吃粽子等活动，纪念伟大的爱国诗人屈原。中秋节则是
人们赏月、吃月饼的时刻，表达对团圆的向往和美好生
活的祝愿 。 哲学与思想 中国的哲学思想博大精深， 对中华文化的发展产生了深
远的影响。儒家思想以其 “仁”、“义”、“礼”、“智”、“信”
等核心理念，影响了中国几千年的社会 结构和价值观念
。道家思想以其 “道法自然 ”、“无为而治”等理念， 强调人
与自然的和谐相处，追求个人的精神境界 。 清明节是中国的传统扫墓节日，人们通过祭祖、扫墓等
活动，表达对先人的怀念和敬仰。端午节通过赛龙舟、
吃粽子等活动，纪念伟大的爱国诗人屈原。中秋节则是
人们赏月、吃月饼的时刻，表达对团圆的向往和美好生
活的祝愿 。 哲学与思想 中国的哲学思想博大精深， 对中华文化的发展产生了深
远的影响。儒家思想以其 “仁”、“义”、“礼”、“智”、“信”
等核心理念，影响了中国几千年的社会 结构和价值观念
。道家思想以其 “道法自然 ”、“无为而治”等理念， 强调人
与自然的和谐相处，追求个人的精神境界 。 清明节是中国的传统扫墓节日，人们通过祭祖、扫墓等
活动，表达对先人的怀念和敬仰。端午节通过赛龙舟、
吃粽子等活动，纪念伟大的爱国诗人屈原。中秋节则是
人们赏月、吃月饼的时刻，表达对团圆的向往和美好生
活的祝愿 。 哲学与思想 中国的哲学思想博大精深， 对中华文化的发展产生了深
远的影响。儒家思想以其 “仁”、“义”、“礼”、“智”、“信”
等核心理念，影响了中国几千年的社会 结构和价值观念
。道家思想以其 “道法自然 ”、“无为而治”等理念， 强调人
与自然的和谐相处，追求个人的精神境界 。 清明节是中国的传统扫墓节日，人们通过祭祖、扫墓等
活动，表达对先人的怀念和敬仰。端午节通过赛龙舟、 A doctor is interested in determining whether a certain medication increases the risk of high blood pressure. He reviews his patients' medical records and finds that a higher proportion of people who take the medication are suffering from high blood pressu re. (correct answer) observational study A group of students is divided into two groups. One group is a given a new chewable vitamin and the other group is given a placebo. After six months they are asked to fill out a questionnaire and given a health exam to see whether the new vitamin has healt h benefits that are better than a placebo. (correct answer) controlled experiment A group of students is divided into two groups. One group listens to classical music while taking a math test and the other group takes the test in silence. The average test scores of the two groups are compared to see whether listening to music during a m ath test has an effect on scores. (correct answer) Controlled experiment A group of cancer patients is divided into two groups. One group is given a new drug to fight the side effects of chemotherapy and the other group is given a placebo. After three months they are asked to respond to a questionnaire about the frequency and s everity of their side effects to see whether the new drug improved the overall negative side effects of chemotherapy. (correct answer) Controlled experiment
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