Consider the data below of inches of rainfall per month for two different regions in the Northwestern United States:
April 20.1 12.9
May 15.3 17.8
June 19.8 15.4
July 17.4 11.2
August 16.8 13.7
Using SPSS, perform a two-sample t-test against the hypothesis that there is not the same amount of rainfall in both regions in the Northwestern United States with a significance level of 0.05. What are the degrees of freedom of your test statistic?
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Ho(Null hypothesis): There is no significant difference in the average rainfall in both the regions
Ha(Alternate hypothesis): There is a significant difference in the average rainfall in both the regions....
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