The data below show the age and favorite type of music of 779 randomly selected people. What, if any, association exists between favorite music and age? Discuss the association.

1)  

_____________lowing data represent the living situation of newlyweds in a large metropolitan area and their annual household income. What, if any, association exists between living situation and household income? Discuss the association.

2)  

_____________ 

 

3)  

_____________ 

4) 

The table below shows the results of a random sample of 200 state representatives that was conducted to see whether their opinions on a bill are related to their party affiliation. 

 

4) 

_______

 

1) 

The proportion who prefers country music increases as age increases. The proportion who prefers rock is roughly constant as age increases. The proportion who prefers pop decreases as age increases. The proportion who prefers classical increases as age increases. 

2) 

The proportion of home owners increases as the household income increases. The proportions of renters and of those living with family decrease as household income increases. 

3) 

H0: Car color and being in an accident are independent.
H1: Car color and being in an accident are dependent.
Test statistic:  = 0.4287. Critical value:  = 9.210.
Fail to reject the null hypothesis. There is not sufficient evidence to warrant rejection of the claim that car color and being in an accident are independent. 

4) 

C