MATH 120: Introduction to Statistics Week 8 Final Exam With 100% Verified Solutions

MATH 120: Introduction to Statistics Week 8 Final Exam With 100% Verified Solutions 1. 10 students take an exam and earn the following scores: 86, 96, 90, 92, 79, 94, 86, 74, 82, and 91 What is the mean of the scores? A: 87. 2. 10 students take an exam and earn the following scores: 86, 96, 90, 92, 79, 94, 86, 74, 82, and 91 What is the median of the scores? A: 88. 3. 10 students take an exam and earn the following scores: 86, 96, 90, 92, 79, 94, 86, 74, 82, and 91 What is the mode of the scores? A: 86. 4. While conducting marketresearch, an automobile manufacturer looks at the number of SUVs and sedans produced in the prior year. What type of data is this? A: Quantitative data. 5. While conducting marketresearch, an automobile manufacturer asks consumers about their preferences between SUVs and sedans. What type of data is this? A: Qualitative data. 6. A political think tank wants to conduct a poll of likely voters in a state. If the think tank breaks the state into 20 groups with common characteristics and then randomly samples each group, what type of sampling is this? A: Stratified sampling. 7. A research team at a medical device manufacturer wants FDA approval forthe manufacturer's latest product. The team sets up a study where half of the participants in the study use the device and half of the participants in the study do not. When the study is over, the research team compares the results of the two groups. Which type of study is this?