Question: The following sample observations were randomly selected: X: 50 75 60 65 90 70 55 45 80 70 Y: 1.5 1.9 2.0 1.5 3.0 2.5

The following sample observations were randomly selected:

X: 50 75 60 65 90 70 55 45 80 70

Y: 1.5 1.9 2.0 1.5 3.0 2.5 1.0 1.2 1.7 2.0

Graph the scatter diagram.

Determine the correlation coefficient.

Determine the regression equation.

Find the value of the dependent variable when X = 90

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