3. Give an example of a 2 x 2 contingency table in which there is: (a) no association (b) strong association. Be sure to show why each contingency table exhibits the property. 4. The table below shows the relationship between gender identification and political party identification in a US state. Each of the 795 respondents in a random sample identified as either male or female. Party identification Gender identification Democrat Independent Republican Total Male 108 72 198 378 Female 216 59 142 417 Total 324 131 340 795 Test for an association between gender identification and party identification at two appropriate significance levels and comment on your results