An internet router has a serial number (the number used to identify the router when it was made, and subsequently for warranty purposes) on the back of it. The serial number is 344657463839 A researcher takes each of these numbers, one at a time, and creates a dataset: 3, 4, 4, and so on. What sort of data is this? 0 Categorical and ratio 0 Numerical and ratio 0 None of the other answers are correct 0 Categorical and ordinal