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  3. the following histogram shows the exam scores for a prealgebra...

Question: the following histogram shows the exam scores for a prealgebra...

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The following histogram shows the exam scores for a Prealgebra class. Use this histogram to answer the questions. Prealgebra Exam Scores

Scores 70.5 75.5 80.5 85.5 90.5 95.5 100.5

Frequency 0 4 8 12 16 20 24

Scores the kids tested 7 1 2 11 9 15

Find the upper class limit of the fourth class.?

Find the class width for this histogram?

Find the percentage of students that scored higher than 70.5. Round your answer to the nearest percent?

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