1.

Suppose, we have to find out modal marks from the following frequency distribution: (Table 8.8)

Answer» <html><body><p></p>Solution :<img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/ECO_XI_A_U03_C08_S01_011_S01.png" width="80%"/> <br/> `l_(<a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a>)=<a href="https://interviewquestions.tuteehub.com/tag/40-314386" style="font-weight:bold;" target="_blank" title="Click to know more about 40">40</a>,` <br/> `Delta_(1)=20-9=11` <br/> `Delta_(<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>)=20-10=10,` <br/> `i=20(=40-20)` <br/> Substituting these values<br/> Mode `=l_(1)+(Delta_(1))/(Delta_(1)+Delta_(2))xxi=40+(11)/(11+10)xx20=40+(11)/(21)xx20` <br/> `=40+(<a href="https://interviewquestions.tuteehub.com/tag/220-1824383" style="font-weight:bold;" target="_blank" title="Click to know more about 220">220</a>)/(21)=40+10.8` approx=50.48 approx.</body></html>


Discussion

No Comment Found