A chef wanted to know if people liked the food in his new restaurant. For that purpose, he surveyed all the food critics who went to the restaurant during the first month it was open.
A. Is this sample likely to be biased?
B. Explain.

B) If the chef is only going to survey the food critics and not the random customers that visit the restaurant, this results of the survey will be biased.

The reason being that there will exist a systematic error since the surveyed people will not cover the whole population as it will only be limited to the food critics.

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A chef wanted to know if people liked the food in his new restaurant. For that purpose, he surveyed all the food critics who went to the restaurant during the first month it was open. A. Is this sample likely to be biased? B. Explain.

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A chef wanted to know if people liked the food in his new restaurant. For that purpose, he surveyed all the food critics who went to the restaurant during the first month it was open.
A. Is this sample likely to be biased?
B. Explain.