In this topic, Dr. Ava made us understand the relationship between two given variables. We were made to solve problems and interpret the degree of relationship between the given variables. It was easy to solve but take extra careful in entering the numbers in your calculator, one false move and everything else fails. That's the wonder of correlation, if you commit mistake along the way, you might end up with an erroneous interpretation.
On the other hand, Dr. Ava also taught us how to use the Microsoft Excel in solving for the correlation (can be found in her book Parametric Statistics Made Easy Using MS Excel, pages 62-64). The beauty of it is that we have the choice on what to use to solve for the correlation. This is another innovation introduced by Dr. Ava.
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