Exam1Review - Exam 1 Review 1. The Metropolitan Transit...

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Exam 1 Review 1. The Metropolitan Transit Commission collects information about how Bay Area residents commute to work. A survey was conducted that included 459 Santa Clara County residents who commute to work. Each person in the survey supplied data about what method of transportation he/she uses and the length (in miles) of his/her commute to work. From this data, it was determined that the average commute distance to work is 15 miles and that 72% drive alone, 20% carpool, 4% use public transit, and the remaining 4% use some other method of transportation. a. Describe the sample ( Be specific. ) b. What would be the appropriate target population for this sample? ( Be specific. ) c. Describe (in words) two variables discussed in this problem: d. Is the average commute distance of 15 miles a parameter, a statistic, or the data? 2. Identify the type of data (qualitative, quantitative discrete, quantitative continuous) a. The amount of time you wait in line at the bookstore to pay for your textbook purchase. b. The title of the most expensive textbook you purchased this quarter. c. The number of movie DVDs that a video store customer rented last month. 3.
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This note was uploaded on 11/27/2011 for the course MATH 10 taught by Professor Plum during the Fall '11 term at DeAnza College.

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Exam1Review - Exam 1 Review 1. The Metropolitan Transit...

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