One of the questions in a Financial Times/Harris Poll was, "How much do you favor or oppose a higher tax on higher carbon emission cars?" Possible responses were strongly favor, favor more than oppose, oppose more than favor, and strongly oppose. The following cross tabulation shows the responses obtained for 5372 adults surveyed in four countries in Europe and the United States (Harris Interactive website, February 27, 2008).

a. Construct a percent frequency distribution for the level of support variable. Do you think the results show support for a higher tax on higher carbon emission cars?
b. Construct a percent frequency distribution for the country variable.
c. Does the level of support among adults in the European countries appear to be different than the level of support among adults in the United States? Explain.

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Country Great United Level of Support Strongly favor Favor more than oppose Oppose more than favor 250 Strongly oppose Britain Italy Spain Germany States Total 214 1617 327 1871 275 1135 749 337 370 130 1087 510 355 155 89 1045 1109 334 408 188 115 411 267 211 204 Total 1020 5372