For Exercises 1-3, use the histogram below that shows data about scores on a history test. 14 Exam Scores 12 1. How many students scored at least 81 on the test? 2. How many students scored less than 81 on the exam? 51-60 61-70 O 81-90 91-100 71-80 3. Can you determine the highest grade from the histogram? Explain. Number of Students

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