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| 1. |
Calculate coefficient of correlation between the price and quantitysupplied. |
| Answer» <html><body><p></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :<img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/TRJ_ECO_XI_C12_S01_005_S01.png" width="80%"/> <br/> `r=(sumdxdy-((sumdx) xx(sumdy))/(N))/(sqrt(sumdx^(2)=((sumdx)^(2))/(N))xx sqrt(sumdy^(2)-((sumdy)^(2))/(N)))` <br/> `=(205-((13)xx(<a href="https://interviewquestions.tuteehub.com/tag/0-251616" style="font-weight:bold;" target="_blank" title="Click to know more about 0">0</a>))/(<a href="https://interviewquestions.tuteehub.com/tag/5-319454" style="font-weight:bold;" target="_blank" title="Click to know more about 5">5</a>))/(sqrt(213-((13)^(2))/(5))xxsqrt(<a href="https://interviewquestions.tuteehub.com/tag/250-297421" style="font-weight:bold;" target="_blank" title="Click to know more about 250">250</a>-((0)^(2))/(5)))` <br/> `=(205-0)/(sqrt(213-33.80)xxsqrt(250-0))` <br/> `=(205)/(sqrt(179.20)xxsqrt(250))=(205)/(13.39xx15.81)` <br/> `=(205)/(211.70)` <br/> `+0.97` <br/> coefficient of Correlation (r)=+0.97. <br/> This is a <a href="https://interviewquestions.tuteehub.com/tag/situation-1210683" style="font-weight:bold;" target="_blank" title="Click to know more about SITUATION">SITUATION</a> of a high degree of positive correlation.</body></html> | |