Monday

April 21, 2014

April 21, 2014

Posted by **Anonymous** on Saturday, April 27, 2013 at 10:28pm.

Margaret notices that the temperature in her office drops several degrees from July to December. In a careful review of the budget she discovers that the company’s utility expenses also drop from July to December.

- stats -
**PsyDAG**, Sunday, April 28, 2013 at 12:19pmFor a positive correlation, both variables increase/decrease together.

For a negative correlation, one variable increases while the other decreases.

I'll let you suggest the causal relations. Does T cause E, E cause T, or some third factor effect both?

- stats -
**Anonymous**, Sunday, April 28, 2013 at 1:42pmpositive correlation because the cost of the bill expenses decreases while the temperature drops

interpretations of the results is that temperature influenced by the air conditioner

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