Is there a difference in the attitude toward extramarital affairs in the United States versus Canada? Pew Research surveyed a random sample of adults from each country and asked, "Do you personally believe that married people having an affair is morally acceptable?" Results of the surveys are below:

(a) What is the response variable in this study?
(b) Is the sampling method dependent or independent? Explain.
(c) What approach should be used to determine whether the attitudes in Canada differ from the United States when it comes to extramarital affairs?
(d) Conduct the appropriate test to determine whether the attitudes in Canada differ from the United States when it comes to extramarital affairs. Use the a = 0.05 level of significance.
(e) Why do you think fewer individuals were surveyed in Canada?

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Number Surveyed "Morally Acceptable" Number Responding 701 533 Canada United States 1002 841