Which of the following sets of data has no variability?
O 1, 2, 5, 4, 7
7,7,7,2,9
O 5, 5, 5, 5, 5
O 0, 0, 0, 0, 10
O 1, 2, 5, 4, 7
7,7,7,2,9
O 5, 5, 5, 5, 5
O 0, 0, 0, 0, 10