Identify the type of sampling method used in each situation:   At a large university, all instructors in 3 office buildings are interviewed to determine their level of research interest. A manufacturer checks every 20thproduct on its assembly line for quality assurance. 6 lottery balls are drawn from a hopper of 269 equal size balls. Everyone who walks into the grocery store between 3:00pm and 5:00 are asked their opinion about a new traffic light being installed next door.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Identify the type of sampling method used in each situation:  

  1. At a large university, all instructors in 3 office buildings are interviewed to determine their level of research interest.
  2. A manufacturer checks every 20thproduct on its assembly line for quality assurance.
  3. 6 lottery balls are drawn from a hopper of 269 equal size balls.
  4. Everyone who walks into the grocery store between 3:00pm and 5:00 are asked their opinion about a new traffic light being installed next door.
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