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Consider the data below of inches of rainfall per month for two different regions in the...

Consider the data below of inches of rainfall per month for two different regions in the Northwestern United States:

Plains Mountains

April 24.6 12.9

May 16.9 17.8

June 18.5 15.4

July 17.4 11.2

August 16.1 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?

math   Statistics-And-Probability   
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