Created by StemPy LabA student measures the height of a candle as it burns. The points on the scatter plot of time burnt against height fall steeply from left to right and lie very close to a straight line. Which value of the correlation coefficient fits this picture best?
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← The figure shows box plots of the marks of two classes, P and Q, on the same scale. Class P has the box from 40 to 60 with the median at 50. Class Q has the box from 45 to 85 with the median at 70. Which statement about the two classes is correct?A student reports the correlation coefficient of two variables as 1.3. A teacher says that the student must have made a mistake. What is the reason? →
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