KEY TERMS

525

Question

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DIY

Is there a relationship between how long a person’s foot is, in inches, and how tall, in inches, he or she is. Connect with ten friends, ask them their heights, and then measure how long their feet are. Which variable is X and which is Y? Why did you make that decision? Compute a Pearson r. Is there a relationship? Is it strong? (Be sure to keep track of who is in your sample and who isn’t. That answer will be important in Chapter 14’s DIY.)