Not qualitative
Discrete.
It is discrete even though time itself is continuous.
Neither, since it is "qualitative data", not "quantitative". Only quantitative data can be discrete or continuous. (Unless your assigning a numerical "value" to each nationality type, in which case it would be quantitative discrete). Answer 2: If considering the percentage, eg 100% Irish, 50% Irish, etc., then it is theoretically a continuous variable, assuming an infinite number of generations. However, in terms of currently existing and past living people, for any nationality, it is a discrete variable.
Discrete random variable
discrete
Qualitative.
Some manufacturing is discrete, some continuous.
ocean depth is a continuous or discrete variable?
continuous discrete
Continuous
Continuous
Continuous.
Discrete.
discrete
discrete
discrete
It is discrete even though time itself is continuous.