To find the approximate number of students in the school who prefer animated movies based on Tan's sample data, you can use the formula:
Number of students who prefer animated movies in the school = Number of students who prefer animated movies in the sample / Total number of students in the sample * Total number of students in the school
Number of students who prefer animated movies in the school = 48 / 120 * 628
Number of students who prefer animated movies in the school = 0.4 * 628
Number of students who prefer animated movies in the school = 251
Therefore, approximately 251 students in the school prefer animated movies.