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Unformatted text preview: Statistics 13A, Spring 2010, Practice Midterm I Version A Name: ID: Instructions: • 50 minutes, closed book midterm • one letter-sized (double-sided) “cheat-sheet”, hand held calculator and scrap paper are allowed • 20 multiple choice problems, 5 points each • put your name & ID on this midterm and scantron • hand in both this midterm and scantron (the midterm will be used as a proof of your presence in the un- likely event of missing scantron) • grading is based on scantron which will not be re- turned to you • this is version A, please mark the corresponding circle on the scantran • good luck! Midterm begins here... 1. Which among the following is a qualitative variable? (a) length of time between arrivals of buses at a terminal (b) depth of sediments in a riverbed (c) score received in a homework out of 60 points (d) time required to finish an exam (e) manufacturers of cars parked in a parking lot 2. A market share of 78.5% would be represented in a pie chart by a slice with a central angle of (a) 78.5 degrees (b) 39.2 degrees (c) 282.6 degrees (d) 141.3 degrees (e) 178.5 degrees 3. The frequency table of the weights (in lbs.) of 50 trouts caught from a lake is given below....
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This note was uploaded on 02/27/2012 for the course STA 13 taught by Professor Samaniego during the Spring '10 term at UC Davis.
- Spring '10