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75 Democrats and 60 Republicans were surveyed on their support of the gun control legislation using the standardized measure (high scores representing greater support of gun control). Democrats had the mean level of support for gun control legislation of 6.0 with standard deviation of 1.2. Republicans had the mean level of support of gun control legislation of 4.9 with the standard deviation of 1.4. By using the data provided, test if there is the difference between means at alpha =.05.

Statistics and Probability, Statistics

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