A survey has been administered to random samples of respondents in each of five nations. For each nation, are men and women significantly different in terms of their reported levels of satisfaction? Respondents were asked: "How satisfied are you with your life as a whole?" Responses varied from 1 (very dissatisfied) to 10 (very satisfied). Conduct a test for the significance of the difference in mean scores for each nation.

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France Females -6.9石= 7.0 N478 N2 522 Males Egypt Males Females =5.6石=5.9 s1 = 2.7 s,-27 N-1,557 N2 1,493 China Males Females = 6.8 石 6.7 S12.422.4 N-899 №=1,060 Mexico Females X8.283 S2 2.0 N1 = 748 N2-764 Males SI = 2.0 Japan Males Females 不-69 -71 s-721.9 N1=474 №: 606 = 7.1