Open yield In one shaft penetrate 8 crisiss for 10 year old boys (inches) and in the remedy shaft penetrate 8 heavinesss for 10 year old boys (pounds).  Ten year old boys crisis ranges from 42 inches to 62 inches time the  heaviness ranges from 60 to 90 pounds. You can effect these up as crave as they are unexcited if you do not enjoy adit to any axioms.  We absence to see if there is a correspondence. Move your mouse to put a box environing the quantity. From the extort menu chosen plant or the chart that says plant and then chosen the chart at the top left on the dropdown Click on one of the points Select Add Trendline The defect radio dot is straight, celebrate it checked Check expose equation on chart and click on the expose r-squared estimate The equation is your smallest balances cord On the smallest balances cord the extend is in face of the x estimate. Also, you can contemplate at the extend of the plant contrive to see if the extend is unequivocal. This obtain let you understand whether to effect the r estimate unequivocal or denying when you catch the balance origin of r^2. If the r^2 estimate is say .0382 then you obtain click on an yield cell and type =.0382^.5 Note the ^ key is aloft the 6 key This obtain be your r estimate and you obtain effect it denying if your extend is denying divergently liberty it unequivocal. If you enjoy a divergent rendering of yield then you may absence to inquiry to see how to arrange a trendline.  These instructions achievement delay Office 365 and Office 2010. Then supervene these instructions: Attach your plant contrive if potential. What did you get for your retirement cord? What was your r estimate? What did this mention you? What would be a scenario where you influence scarcity to use this application?