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  1. K

    What are some statistical tests for the relationship between two variables?

    Hi, I posted previously, but I haven't got any response, I assume its more appropriate to post in this forum, that's why I'm posting again. How do I test the relationship between Govt. Spending on Police and the Number of robberies (annually) I have 51 data points. I've done Pearson's, I...
  2. K

    T-test help with determining whether its 1 or 2 tailed?

    Hi, I need to perform a t-test to determine the relationship between US govt spending on Police and the number of Rapes annually. So I have 53 data points (53 years each variable) Firstly, can I use a t-test for this data? My first problem is that I don't get whether I should call this a one...