What was Nalini's claim regarding the number of teachers who sent more than 30 emails?
GCSE Secondary Maths Age 13-17 - Probability & Statistics: Frequency Table - Explained
Interactive Video
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Mathematics, Information Technology (IT), Architecture
•
10th - 12th Grade
•
Hard
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The video tutorial explains how to interpret a frequency table showing the number of emails sent by teachers. It guides students on drawing a frequency polygon using mid values and analyzing data to determine if a quarter of teachers sent more than 30 emails. Key points include using mid values for frequency polygons and careful reading of questions.
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3 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
How did you calculate whether Nalini's statement was correct?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
What common mistake did students make regarding the interpretation of 'at least a quarter'?
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