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Gallup is always conducting surveys about president approval ratings for the small island nation, Country. Suppose...

Gallup is always conducting surveys about president approval ratings for the small island nation, Country. Suppose a recent survey found that 38 of 100 non-college graduates approve of President Madeup while 45 of 80 college graduates approve. Does this survey data provide statistically significant evidence that the proportion of approval is different for college graduates and non-college graduates?

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