Mathematics, 13.11.2020 01:00, serafimharmane4944
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
8. In words: What would be the null hypothesis?
9. In words: What is the research hypothesis?
10. Calculate t (use denominator 0.28): t =
11. What are your degrees of freedom?
12. Are your results significant at the .05 level?
13. In words: What are your conclusions about the null hypothesis?
Answers: 1
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