alsafy383
alsafy383
22.11.2019 • 
Mathematics

If you are conducting a survey to determine which american cities are the most exciting in which to live,
which of the following samples would be the least biased and most useful?
a. citizens from each city in the running
b. citizens from various cities all across america
c. group of foreign tourists visiting america
d. political leaders in each city in the running

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