Even though Puerto Rico is a commonwealth of the United States,there are many cultural differences between the states on thecontinent and the island of Puerto Rico. These differences includethe way consumers handle problems with purchases. Two researcherssurveyed owners of DVD players in the Northeast United States andin Puerto Rico. They asked those who had experienced problems withtheir DVD players whether they complained. The results are given inthe table below.

Location

Complained?	United States	Puerto Rico
No	94	33
Yes	330	64

The SPSS output for the above table is given below. The outputincludes the cell counts, the expected cell counts, and thechi-square statistic. Expected counts are printed below observedcounts.

Chi-square = 0.855 + 3.744 + 0.276 + 1.204 = 6.079
What proportion of Puerto Ricans did not complain?

Complain? 'Location Crosstabulation Location United States Puerto Rico Total Complain? No Count 94 33 127 Expected Count 103.4 23.6 127.0 Yes Count 330 64 394 Expected Count 320.6 73.4 394.0 Total Count 424 97 521 Expected Count 424.0 97.0 521.0