In a study of heart disease (73), the weight (in pounds) and the blood cholesterol (in mg/dl) of fourteen men without a history of coronary incidents were recorded. At the α = 0.05 level, can we conclude from these data that the two variables are independent?

The data in the table give the following sums:

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est-13 400 2 2 1 22 300 200 1 2 3 4 5 5 53421229163 14233232324232 68 5 3 5 5 4 76 2 1 3 1 76 64- h- en 6775517684486 e 12345678901234 14 ΣΧί =2.458 Σ yi = 4,097 Σχ-444. 118 ΣΥ, = 1.262.559 14 ΣΧ,yi = 710,499