A telephone survey was conducted in order to determine if people in City C are more likely to work 9 to 5 office jobs than other

Question

A telephone survey was conducted in order to determine if people in City C are more likely to work 9 to 5 office jobs than other jobs The research team called 5 000 random people between 12 P M and 4 P M on a Thursday Of the 5 000 people called 3 000 did not answer and 250 refused to participate Which of the following was the biggest flaw in the design of the survey A The time the survey was taken B Population size C Sample size The fact that the survey was done by telephono

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