MTHM 168 - Statistics Exam #1 Study Guide Chapters 1 - 2 and Section P.1 Name _____________________ Date ______________ 1. A high school senior is collecting data on the colleges in which she is interested. Identify the variables as either categorical or quantitative. a. Type of college: Private or Public college b. Tuition: in thousands of dollars c. State: the state in which the college is located 2. What are the cases in the high school senior's dataset? 3. A tree enthusiast is interested in estimating the typical length of oak tree leaves. He chooses 30 leaves from the oak tree in his backyard. a. What is the sample in this situation? b. What is the population in which the tree enthusiast is interested? c. Is this a biased sampling strategy? If so, identify a population that we can generalize to, given our sample. 4. A company is interested in redesigning its website, and two possible designs are being considered. The company wants to get input in the form of ratings of the two designs. Design a matched pairs experiment to decide which design gets higher ratings. Fifty volunteers are available to participate. 2 5. Which statistic is more resistant to outliers (or extreme data values)? A. Mean B. Median 6. Which statistic is more resistant to outliers (or extreme data values)? A. Interquartile Range B. Standard Deviation Use the following to answer questions 7 - 9. A Fun-Size bag of M&M's contains 4 green, 3 red, 3 yellow, 6 orange, 4 blue, and 1 brown candies. 7. What pro