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The accompanying data show the number of bacteria present after a certain number of hours. Find the equation of the regression line for the data.

The accompanying data show the number of bacteria present after a certain number of hours. Find the equation of the regression line for the data. Then construct a scatter plot of (x, y) and sketch the regression line with it.

Number of hours, x

1 2 3 4 5 6 7

Number of bacteria, y

166 280 470 780 1314 1925 4921

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