Homework Help: statistics

Posted by Beverly on Monday, February 13, 2012 at 9:49pm.

Imagine that you are interested in whether there is a relationship between the amount of coffee people drink and the number of hours they sleep each night. Determine whether you expect a positive or a negative relationship between the cups of coffee people drink and the number of hours they sleep.

statistics - PsyDAG, Tuesday, February 14, 2012 at 1:23pm
If more caffeine leads to less ability to sleep, what relationship would you expect?

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