Question

unit 4 test: graphs and describing distributions multiple choi

1. a company database contains the following information about each employee: age, date hired, sex (male

or female), ethnic group (asian, african, hispanic, etc.), job category (clerical, management, technical, etc.),
and yearly salary. which of the following lists of variables are all quantitative?
(a) age, sex, ethnic group.
(b) sex, ethnic group, job category.
(c) ethnic group, job category, yearly salary.
(d) yearly salary, age.
(e) age, date hired, ethnic group
○ a
○ b
○ c
○ d
○ e

Explanation:

• Quantitative variables are numerical and can be measured or counted.
• Age (in years) and yearly salary (in currency units) are numerical.
• Sex (male/female), ethnic group (categories like Asian, African), job category (clerical, management etc.) are categorical (qualitative) variables. Date hired is also a non - numerical (it can be converted to a numerical value in some ways like days since a certain date, but in its raw form, it's more of a label in this context).

Answer:

d. Yearly salary, age.