Refer to the Wage Data that is in the attachment, which reports information on annual wages for a sample of 100 workers. Also included are variables relating to industry, years of education, and gender for each worker.
(a) Which of the 12 variables are qualitative and which are quantitative?
(b) Determine the level of measurement of each variable.
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Quantitative variable are variables that are quantitative measured on a numerical scale. Ordinal, interval and ratio scales are quantitative.
Qualitative variables are variables with no natural sense of ordering. They are therefore measured on a nominal scale.
Nominal level of measurement is merely assigning codes to objects with no real connection between the attribute and the code.
Ordinal level the numbers are assigned in rank ...
The solution explains the difference between the several statistical measures and help sort the given variables acocrdingly.