Created by StemPy LabA student reports the correlation coefficient of two variables as . A teacher says that the student must have made a mistake. What is the reason?
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← A 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?The correlation between the heights of some children in centimetres and their masses in kilograms is found to be 0.85. Every height is now written in metres and every mass in grams. What is the correlation between the new numbers? →
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