A teacher wants to interview a sample of the students in the whole school about what they
Question:
A teacher wants to interview a sample of the students in the whole school about what they find difficult in mathematics. She surveys a sample of her own students, by putting their names in a hat and selecting them at random.
a. Explain why the teacher’s method will not produce a representative sample of the students in the whole school.
b. Suggest how she can improve on her method to get a representative sample.
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a The teachers method will not produce a representative sample of the students in the whole school because Convenience Sampling By only surveying students in her own class the teacher is using convenience sampling which is not representative of the whole school Selection Bias By putting only the names of her own students in the hat the teacher is introducing a selection bias as the sample will only represent her own class not the whole school b ...View the full answer
Answered By
Darwin Romero
I use a hands-on technique and am approachable to my students. I incorporate fun into my lessons when possible. And while my easy-going style is suitable for many subjects and grades, I am also able to adapt my style to the needs of the student. I can describe myself as friendly, enthusiastic and respectful. As a teacher, we can easily get respect from the students if they would feel respected first
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Related Book For 
Cambridge Checkpoint Lower Secondary Mathematics Student's Book 7
ISBN: 9781398301948
3rd Edition
Authors: Frankie Pimentel, Ric Pimentel, Terry Wall
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