Answered: American Express and French tourist…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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American Express and French tourist office sponsored a survey that found that most visitors to France do not consider the French to be specially unfriendly. The sample consisted of 1000 Americans who have visited France more than once for pleasure over the past 2 years.

Any potential sources of bias?

Unresponse bias is possible. Since Americans traveling to other countries were not surveyed, the study may misrepresent the general population.

Response bias is possible. The study was conducted in such a way as to achieve a desired response that may be different from the population in general.

There is no indication of bias.

Under coverage bias is possible. Since only Americans who have visited France more than once for pleasure over the past 2 years were polled, their answer my differ from the general American population that travels abroad.

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