Question: Notation Twenty different statistics students are randomly selected. For each of them, their body temperature (oC) is measured and their head circumference (cm) is measured.

Notation Twenty different statistics students are randomly selected. For each of them, their body temperature (oC) is measured and their head circumference (cm) is measured.

a. For this sample of paired data, what does r represent, and what does r represent?

b. Without doing any research or calculations, estimate the value of r.

c. Does r change if the body temperatures are converted to Fahrenheit degrees?

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