The number of people voting Democrat or Republican below the age of 40 and 40 plus in a random sample of 30 voters in a city is given in contingency Table Is voting Democrat or Republican independent of the voter being below the age of 40 or 40 plus in this city at the 5% level of signi?cance?
Table Democrats and Republicans below and above Age 40
|
Age Group
|
Democrats
|
Republicans
|
Total
|
|
40
|
6
|
5
|
11
|
|
2: 40
|
10
|
9
|
19
|
|
16
|
14
|
30
|