Mrs. Phillips is grading the semester exams for her Advanced Algebra course. She wants a visual representation of how the grades are spread throughout the class. It would also be helpful to know where the upper 25% of grades are located. Below is the box-and-whisker plot she designed.

A box-and-whisker plot labeled Semester Exam Grades is shown. From left to right, the first point is at approximately 55. The second point and beginning of first box is at approximately 79. The third point and end of first box, beginning of second box, is at approximately 87. The fourth point and end of secon

Question

Mrs. Phillips is grading the semester exams for her Advanced Algebra course. She wants a visual representation of how the grades are spread throughout the class. It would also be helpful to know where the upper 25% of grades are located. Below is the box-and-whisker plot she designed.

A box-and-whisker plot labeled Semester Exam Grades is shown. From left to right, the first point is at approximately 55. The second point and beginning of first box is at approximately 79. The third point and end of first box, beginning of second box, is at approximately 87. The fourth point and end of secon