A population of flights can be classified according to two factors: duration (short, medium, or long) and purpose (vacation or business). We are interested in whether either of these factors has an effect on price. The table below gives mean prices for a balanced population. The difference between the cost of a business flight and the cost of a vacation flight:
A)is constant across distance.
B)differs by distance.
C)depends on the time of day.
D)cannot be determined with the information given.

Question

A population of flights can be classified according to two factors: duration (short, medium, or long) and purpose (vacation or business). We are interested in whether either of these factors has an effect on price. The table below gives mean prices for a balanced population.  The difference between the cost of a business flight and the cost of a vacation flight:
A)is constant across distance. 
B)differs by distance. 
C)depends on the time of day. 
D)cannot be determined with the information given.

Quizplus · Accepted Answer

The Answer of A population of flights can be classified according to two factors: duration (short, medium, or long) and purpose (vacation or business). We are interested in whether either of these factors has an effect on price. The table below gives mean prices for a balanced population.  The difference between the cost of a business flight and the cost of a vacation flight:
A)is constant across distance. 
B)differs by distance. 
C)depends on the time of day. 
D)cannot be determined with the information given.

A Population of Flights Can Be Classified According to Two