Discrete Mathematics
# Understanding Data

What is the maximum value that the correlation of two random variables can take on?

Johnny is measuring and weighing apples. He finds that the correlation between the width measured in inches to the weight measured in pounds is 0.2. What is the correlation between the width in centimeters and the weight in pounds?

You may find it helpful to know that there are 2.54 centimeters in an inch.

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