character: TeacherA
topic: The Importance of Sample Size in Polling Methods
grade: 12
subject: Mathematics
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character: TeacherB
topic: Understanding Sampling Bias in Survey Research
grade: 12
subject: Mathematics
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character: TeacherC
topic: Calculating Margin of Error in Polls
grade: 12
subject: Mathematics
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character: TeacherD
topic: Comparing Different Polling Techniques
grade: 12
subject: Mathematics
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