Question 1 a)For the following five variables, identify the level at which it is measured (nominal, ordinal, interval, or ratio) and then whether it is a discrete or continuous variable.Time on email –How many hours per week do you spend sending and answering email?Life satisfaction –On the whole, are you very satisfied, fairly satisfied, not very satisfied, or not at all satisfied with the life you lead?Monthly income –What is your monthly income in SGD?Attitude toward death penalty –Do you favour or oppose the death penalty for persons convicted of murder?Marital status –Are you currently married, widowed, divorced, separated, or have you never been married?