Here the chi-square contribution of each cell is given below
(i) States and no Complain = 0.847
(ii) Puertorico and no Complain = 3.701
(iii) States and Yes Complain = 0.273
(iv) Puertorico and Yes complain = 1.194
so here it is maximum for Puertorico and no complain cell so option A is the correct answer.
Puertorico that didnot complain.
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