A Travel Agent Believes That Vacation Destinations Are Independent of the Region

Multiple Choice

A travel agent believes that vacation destinations are independent of the region of the country that the vacationer resides.She has compiled a table with six vacation destinations and five regions throughout the United States.When applying a chi-square test of independence to this table, the number of degrees of freedom is _____.

A) 9
B) 20
C) 30
D) 11
E) 12