The Monthly Incomes of a Small Sample of Computer Operators

The monthly incomes of a small sample of computer operators are $1,950, $1,775, $2,060, $1,840, $1,795, $1,890, $1,925 and $1,810. What are these ungrouped numbers called?

A) Histogram
B) Class limits
C) Class frequencies
D) Raw data
E) None of the choices are correct