MEDDAL AND FAN

Assume you have collected data pairs (x, y) on a certain variety of tree. x is the number of weeks since the tree was planted and y is the height of the tree in inches. A plot of the data points with the best-fit line is given below. What is the numerical value of the height as predicted by the best-fit line for an age of 120 weeks?

Question

MEDDAL AND FAN

Assume you have collected data pairs (x, y) on a certain variety of tree. x is the number of weeks since the tree was planted and y is the height of the tree in inches. A plot of the data points with the best-fit line is given below. What is the numerical value of the height as predicted by the best-fit line for an age of 120 weeks?

anonymous · Answer

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anonymous · Answer

The answer is about 140 inches. The red line represents the estimate just so you know.

anonymous · Answer

Go to the right to the interval that says 120 weeks. Than go up until you reach the red line. Then see where the red line is on the y axis which is 140 inches.