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by Dr. Steve Warner
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Online Program30 students in a math class took 3 short quizzes during the school year. Each quiz consisted of 4 questions, each question contributing to 25% of the quiz grade. The number of students receiving each of the 5 possible grades on each quiz is shown in the table above.
What was the mean grade of the students on the second quiz? (Disregard the percent symbol when gridding your answer.)