Sara wonders what percentage of her students answered at least half of the quiz questions incorrectly. Grades

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Sara wonders what percentage of her students answered at least half of the quiz questions incorrectly. Grades on 40-Question Quiz 15 15 10 Frequency 8 7 7 5 4 4 3 2 O 20 6-1 11-15 -30 16- 21-25 5-40 26 31- 36 Grade on Quiz The relative cumulative frequency of students who earned a score of 21 or higher on the quiz is O 68% O 16% O 18% O 32%

Posted Date: May 18, 2024 02:06 PM

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Sara wonders what percentage of her students answered at least half of the quiz questions incorrectly. Grades

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