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Past Exam for ECON 321 - ECON STAT with Gandhi at Maryland (UMD)

Exam Information

Material Type:Exam 1
Professor:Gandhi
Class:ECON 321 - ECON STAT
Subject:Economics
University:University of Maryland
Term:--
Keywords:
  • Direct-Mail Marketing
  • Percent Error
  • The Independent
  • Distribution
  • Exclusive Or
  • Variability
  • Independent Events
  • Complementary
  • Proportionality
  • Frequency Distribution
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Sample Document Text

Economics 321 TuTh 11:00-12:15 EXAM 1 Fall 1989 Dr. Arun Ma.lik When answering the following questions, keep in mind that all m.unbers are approximate unless stated otherwise. The exam is divided into 3 sections. Within each section, the more difficult questions are placed at the end. These questions carry more weight in terms of the exam score than the other questions. If you have trouble answering them, you may want to skip ahead and first do the easier problems in the following sBction. When appropriate all ans'wers must have units specified. Show all your calculations. Good Luck!! NAME: Section I. (20 points) (2 pts.) 1. (2 pts.) 2. (2 pts.) 3. (2pts.) 4. (4 pts.) 5. The solution to (0.001 x 1825.0)/0,123 when correctly rounded to the proper numbers of significant digits has (a) 1 significant digit (b) 2 significant digits (c) 3 significant digits ( d) 4 significant digits. Correctly rounded to the proper nW:1bers of significant dig:L1:s, 1234.50 - 0...

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