14.39 Life under the EU Angus Reid Global Monitor reported that many adults in Britain and France are disappointed with the effect of the European Union (EU) in their countries, according to a poll by Harris Interactive published in the Financial Times.12 52% of Britons and 50% of French respondents say that life has become worse. Suppose, in an online survey with 5000 adults in Britain, France, Germany, Italy, and Spain, the following question was asked: "Since your country became part of the Euro- pean Union (EU) has life in your country become better/same or has it become worse?" The results are shown in the following table

a. Does this data provide sufficient evidence to con- clude that there is a difference in peoples' opinion from one country to another? Test using a = 0.05.

b. If there is a significant difference in part

a, describe the nature of these differences.

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Britain France Italy Spain Germany Better/same 475 485 531 660 562 Worse 525 515 469 340 438