Use the line of best fit to predict the approximate value of y when x is equal to 10.

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Solution

The correct option is B
30

Draw a line parallel to the y-axis through x=10 to intersect the line of best fit. Through this point, draw a line parallel to the x-axis to intersect the y-axis. It can be seen that this line cuts y-axis near 30. Hence the approximate value of y corresponding to x=10 is 30.

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