Commuting to work The table shows how a company's employees commute to work.
a. What is the marginal distribution (in %) of mode of transportation (Car, Bus, Train)?
b. What is the conditional distribution (in %) of mode of transportation (Car, Bus, Train) for
management?
c. What kind of display would you use to show the association between job class and mode
of transportation? (Just name a graph.)
d. Do job classification and mode of transportation appear to be independent? Give
statistical evidence to support your conclusion.

Question

Commuting to work The table shows how a company's employees commute to work.  
a. What is the marginal distribution (in %) of mode of transportation (Car, Bus, Train)?
b. What is the conditional distribution (in %) of mode of transportation (Car, Bus, Train) for
management?
c. What kind of display would you use to show the association between job class and mode
of transportation? (Just name a graph.)
d. Do job classification and mode of transportation appear to be independent? Give
statistical evidence to support your conclusion.

Quizplus · Accepted Answer

The Answer of Commuting to work The table shows how a company's employees commute to work.  
a. What is the marginal distribution (in %) of mode of transportation (Car, Bus, Train)?
b. What is the conditional distribution (in %) of mode of transportation (Car, Bus, Train) for
management?
c. What kind of display would you use to show the association between job class and mode
of transportation? (Just name a graph.)
d. Do job classification and mode of transportation appear to be independent? Give
statistical evidence to support your conclusion.

Commuting to Work the Table Shows How a Company's Employees