Question: For the following experiment, indicate whether it was single-blind, double-blind, or not blinded at all. Explain your reasoning. Makers of a new frozen entre arranged

For the following experiment, indicate whether it was single-blind, double-blind, or not blinded at all. Explain your reasoning.
Makers of a new frozen entrée arranged for it to be served to randomly selected customers at a restaurant in place of the equivalent entrée ordinarily prepared in the kitchen. After their meal, the customers were asked about the quality of the food.

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