I do not understand when there's a range

Assignment Score: 31.7% Resources Give Up? Q Hint Check Answer Stacked Almost all medical schools in the United States require students to take the Medical College Admission Test (MCAT). The total score of the four sections on the test ranges from 472 to 528. In spring of 2019, the mean score was 500.9, with a standard deviation of 10.6. Find the first quartile of the MCAT scores. Give your answer to three decimal places