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ISEE Upper Level Mathematics Achievement · Question of the Day

ISEE Upper Level Mathematics Achievement Question of the Day

A fresh daily question to build accuracy, reinforce recall, and turn practice into a steady habit.
Tuesday, September 8, 2026

Question of the Day

Answer today's ISEE Upper Level Mathematics Achievement question, reveal the full explanation, then keep the streak going with a new question every day.

Based on the data shown in the table, what is the median number of books read per student?

  1. 3 (correct answer)
  2. 4
  3. 3.5
  4. 2.5

Explanation: First, find the total number of students: 2 + 5 + 8 + 4 + 1 = 20 students. The median is the average of the 10th and 11th values. Counting from the lowest: positions 1-2 have 1 book, positions 3-7 have 2 books, positions 8-15 have 3 books, positions 16-19 have 4 books, position 20 has 5 books. The 10th and 11th students both read 3 books, so the median is 3.