Which of the Following Would NOT Be an Example of a Situation

Which of the following would NOT be an example of a situation involving univariate analysis?

A) A publisher of a magazine is interested in determining what proportion of the magazine's readers is male.
B) A restaurant would like to know the average income of its typical diner.
C) A car dealership is particularly interested in whether or not people who own vans are more or less likely to finance auto purchases compared with people who don't own vans.
D) A service provider needs to know her customer's average level of satisfaction with the services provided.
E) All of the above are examples for which univariate analysis could be performed.