How do you know that this dot plot displays the answers to a statistical question? A dot plot titled number of siblings students have. The data values range from zero to 6. There are 6 dots above 0, 7 dots above 1, 3 dots above 2, 2 dots above 3, 1 dot above 4, and 1 dot above 6.
A.
Various data are shown.
B.
All data values are the same.
C.
The data are numerical.
D.
Students were all asked the same question.