Maths-
General
Easy

Question


The scatterplot shows 11 data points, along with a line of best fit for the data. For how many of the data points does the line of best fit predict a y - value that is less than the actual y - value?

The correct answer is: 5



    The points above the best fit line are the points marked in the diagram. These points’ values are more than every point on the line.
    Explanations:
    Step 1 of 1:
    Every point situated on the best fit line is called the predicted y-value. The other distinct points, not situated on the line, are called the actual y-values.
    Now, the points above the line are marked with red circles. These points’ values are more than the predicted y-values.
    Count of these marked points is 5.
    Final Answer:
    The number of data points, the line of best fit predicts a y-value that is less than the actual y-value is— 5

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