A politician selects a random sample of 306 voters from her state. For each voter, she records the region in which they live and their political affiliation. She would like to know if there is convincing evidence that the region in which voters live is associated with their political affiliation. Let = 0.05. The observed and expected counts are displayed in the tables.

Observed counts:



Expected counts:





Which of the following are the values of the chi-square statistic and P-value?

Find the chi-square table here.

0.07, P-value > 0.25
3.74, P-value > 0.10
4.04, P-value < 0.10
7.78, P-value < 0.05