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Sagot :
The survey method was flawed since the sample was not random.
What is a survey?
A survey is an investigation that is carried out on a sample of a population. However, for the sample to be representative of the population, care must be taken to pick the participants in the survey at random. The principal ought to have carefully crafted a method in which the sample can be selected in a randomized manner.
For instance, the principal could have decided to take the fifth student in every row in all the classes in the school. In that way, the sample would be adequately randomized hence the result of the survey would be adjudged as representative of the situation in the entire population and thus it will be reliable as a tool that can be used to make scientific inferences.
Thus, the survey method was flawed since the sample was not random.
Learn ore about random sampling:https://brainly.com/question/12719656
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