Two ladies were asked to rank 10 different types of cell phone . The rank given by them are given below. Calculate Spearman's rank correlation coefficient

Two ladies were asked to rank 10 different types of cell phone . The r

1.	Two ladies were asked to rank 10 different types of cell phone . The rank given by them are given below. Calculate Spearman's rank correlation coefficient
Answer» <html><body><p></p>Solution :<img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/TRJ_ECO_XI_C12_S01_015_S01.png" width="80%"/> <br/> `r_(k)=1-(sumD^(2))/(<a href="https://interviewquestions.tuteehub.com/tag/n-568463" style="font-weight:bold;" target="_blank" title="Click to know more about N">N</a>^(3)-N)` <br/> Here, `N=10,sumD^(2)=<a href="https://interviewquestions.tuteehub.com/tag/100-263808" style="font-weight:bold;" target="_blank" title="Click to know more about 100">100</a>` <br/> Susbstituting the values, we get <br/> `r_(k)=1-(6xx100)/(10^(3)-10)` <br/> `=1-(600)/(1,000-10)` <br/> `=1-(600)/(<a href="https://interviewquestions.tuteehub.com/tag/900-341675" style="font-weight:bold;" target="_blank" title="Click to know more about 900">900</a>)` <br/> `=1-0.606` <br/> `= 0.394` <br/> Coefficient of <a href="https://interviewquestions.tuteehub.com/tag/rank-618939" style="font-weight:bold;" target="_blank" title="Click to know more about RANK">RANK</a> Correlation `(r_(k))=0.394`</body></html>