Question

Help with Application of T-tests i will post the question in a second its a long one

Answer 1

Part I:
Determine whether an individual's political affiliation affects his or her overall satisfaction with the economy. For this assignment, use only subjects that declared themselves as Republicans or Democrats and leave out any subjects who declared themselves as Independents or Undecided. Analyze any potential differences by conducting the appropriate type of t-test.
Be sure to use the proper df and show all the steps of calculations, including the test statistic.
Include an explanation of how the critical value was determined. Explain why you chose that particular t-test.

Part II:
For your sample, determine whether there is a difference between their satisfaction with their jobs and their satisfaction with their incomes.
Be sure to use the proper df and show all the steps of calculations, including the test statistic.
Include an explanation of how the critical value was determined. Explain why you chose that specific t-test.
In addition, interpret the results of the analyses, focusing on the similarities and differences between using a paired t-test and an independent t-test.