A sample of 25 individuals was taken to investigate the relationship between their annual income and number of years of education. The Pearson's correlation coefficient (r) was calculated to be 0.6. Test the hypothesis at a significance level of 0.01 that the population correlation coefficient is different from 0.

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A: GIVEN DATA,  n1=25x¯1=170s1=15n2=30x¯2=165s2=20α=0.05claim:μ1≠μ2

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A: x y 13479 57101415 ∑x = 24 ∑y = 51 Mx = ∑xn = 245 = 4.8 My = ∑yn = 515 = 10.2

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