After a statistics class, Dr. Johnson asked all 51 of her students the degree to which they felt statistics were going to be useful in their eventual career. She had all of her students respond to the following question, "Statistics will be very useful in my future profession," using the following scale: 1 = not at all useful and 7 = very useful. She found that the median response was a 5.5. Given that the median of 5.5 was based on all of her students, the 5.5 would be called __________.