# Question

A sample data set produced the following information.

n = 10, ∑x = 100, ∑y = 220, ∑xy = 3680

∑x2 = 1140, and ∑y2 = 25,272

a. Calculate the linear correlation coefficient r.

b. Using a 2% significance level, can you conclude that p is different from zero?

n = 10, ∑x = 100, ∑y = 220, ∑xy = 3680

∑x2 = 1140, and ∑y2 = 25,272

a. Calculate the linear correlation coefficient r.

b. Using a 2% significance level, can you conclude that p is different from zero?

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