Every week, the programming office at an FM radio station reviewed unsolicited letters from listeners who were expressing comments on the station’s programs. One week, the station received 50 letters with favorable comments about the station’s news reporting and music selection and 10 letters with unfavorable comments on the station’s new movie review segment of the evening program. Faced with this information, the programming director assumed that if some listeners did not like the movie review segment, then there must be other listeners who did like it. Therefore, he decided to continue the movie review segment of the evening program.
Which one of the following identifies a problem with the programming director’s decision process?