a) No, this is not a random sample because only boys playing football at lunch are being interviewed, and not all students at the school have an equal chance of being selected for the survey.
b) The question is fair because it simply asks for the student’s favorite sport to play, without any indication of which sport is preferred over others or any leading language.
You want to conduct a survey to find out what sport the students at your school prefer to play.
a) You interview 20 boys playing football at lunch. Is this a random sample? Explain.
b) The survey question you ask is, “What is your favorite sport to play?” Is the question fair or biased? Explain.
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3 answers