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Given the least squares regression line y with overbrace on top equals 1.30 minus 2.24 x...

Given the least squares regression line y with overbrace on top equals 1.30 minus 2.24 x which has r squared=0.7. Calculate the sample correlation coefficient r. Enter the answer in the box below, rounded to 3 decimal places. Hint: Recall that the sign of r and the sign of the slope, m, are always the same.

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TOPIC:Correlation coefficient.

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