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InterviewSolution
| 1. |
Calculate coefficient of correlation between demand for a good and its price. |
| Answer» <html><body><p></p>Solution :<img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/ECO_XI_A_U03_C11_S01_002_S01.png" width="80%"/> <br/> `gamma=(NSigmaXY-(SigmaX)(SigmaY))/(<a href="https://interviewquestions.tuteehub.com/tag/sqrt-1223129" style="font-weight:bold;" target="_blank" title="Click to know more about SQRT">SQRT</a>(NSigmaX^(2)-(SigmaX)^(2))sqrt(NSigmaY^(2)-(SigmaY)^(2)))`<br/> `=((5xx575)-(140xx16))/(sqrt((5xx5050)-(<a href="https://interviewquestions.tuteehub.com/tag/140-273392" style="font-weight:bold;" target="_blank" title="Click to know more about 140">140</a>)^(2))sqrt((5xx66)-(<a href="https://interviewquestions.tuteehub.com/tag/16-276476" style="font-weight:bold;" target="_blank" title="Click to know more about 16">16</a>)^(2)))` <br/> `=(2875-2240)/(sqrt((25250-19600))sqrt((330-256)))` <br/> `=(635)/(sqrt(5650)xxsqrt(<a href="https://interviewquestions.tuteehub.com/tag/74-334795" style="font-weight:bold;" target="_blank" title="Click to know more about 74">74</a>))=(635)/(sqrt(5650xx74))=(635)/(sqrt(418100))=(635)/(646.6)=+0.98`</body></html> | |