x: 1, 2, 3, 4 y: 1, 1.5, 0.5, 4 Find the correlation r for the data. What fraction in the variation of the values of y is explained by a least squares regression line for y as a function of x?

30

step-by-step explanation:

times by times

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25 questions , because they start with 100.  

350-100=250 .  

. 250/10=25

step-by-step explanation:

first take off 100, then what x 10 = 250? that is your answer. (25)

∠cbe and ∠deb are same-side interior angles.

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