Democrats and Republicans were surveyed on their support of gun control legislation using a standardized measure (high scores representing greater support of gun control). Using the data provided, test the difference between the means (assume a two-tailed t-test) and answer the questions below: Democrats Republicans N = 50 N = 40 Mean = 8.3 Mean = 6.4 Standard Deviation = 1.2 Standard Deviation = 1.4 In words: What would be the null hypothesis?
a) There is a significant difference in support for gun control between Democrats and Republicans.
b) There is no significant difference in support for gun control between Democrats and Republicans.
c) Democrats have a higher mean support for gun control than Republicans.
d) Republicans have a higher mean support for gun control than Democrats.