Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line.​ (The pair of variables have a significant​ correlation.) Then use the regression equation to predict the value of y for each of the given​ x-values, if meaningful. The table below shows the heights​ (in feet) and the number of stories of six notable buildings in a city.   Height, x 766 620 520 508 494 484    ​(a) x=503 feet ​(b) x=647 feet ​Stories, y 51 46 44 43 39 36   ​(c) x=345 feet ​(d) x=726 feet 1. Find the regression equation. 2. Predict the value of y for x=503. 3. Predict the value of y for x=647. 4. Predict the value of y for x=345. 5. Predict the value of y for x=726. 6. Choose the correct graph below.

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