Exam Practice with Answers

Exam Practice with Answers - STAT 110 Fall 2009 Section 4 -...

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STAT 110 – Fall 2009 – Section 4 - Exam 1 1) Which of these two set-ups could provide evidence that computer usage caused a change in performance? A) (A) - Page 12 2) If a neighborhood association collects sample data about the number of speeding cars through a neighborhood by sitting on a street corner during rush hour, what type of sample has been collected? B) Convenience sample – Page 21 3) If a neighborhood association had a notice in their newsletter inviting residents to email the association president with any comments about the speeding problem, what type of sample would be collected? E) Voluntary response sample – Page 21 4) An experiment that always over-estimates the value it is trying to determine is said to be D) Biased – Page 21 5) The sampling frame in this example is: E) The students listed in the university telephone directory – Page 54 6) The target population in this example is: B) The 27,488 students on the USC campus – Page 8 and 9 7) If in actuality, 562 numbers were used in order to get the 400 responses desired. What term is used to
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Exam Practice with Answers - STAT 110 Fall 2009 Section 4 -...

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