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Analyzing Math Class Data with Percentages

Explore a survey of 90 students from OPMS and their Math class choices in a representative sample. Analyze the data using percentages and charts to draw conclusions.

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Analyzing Math Class Data with Percentages

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  1. Percent with chart notes Thurs/Fri 3/6,7

  2. Percents with Chart and Multiple Responses HW A representative sample of 90 students from OPMS is surveyed. Each student is asked which Math class he or she is taking. This table shows the responses. Math Teacher                    # of  Students Hall10 McCreary18 Ballew14 Yuhl20 Helmich28

  3. Based on the representative samples:    True          False • Three times as many students are taking • Helmich’s class than are taking Ballew’s class. X • 20% of students at OPMS are X • taking Hall’s class. • In a group of 35 students, it is expected that • 10 of the students are taking Yuhl’s class. X • In a group of 140 students, it is expected that X • 40 of the students are taking McCreary’s class.

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