The following table shows marks in English secured by students of Class X in your school in their examination. Calculate mean marks using Direct Method. {:("Marks",0-10,10-20,20-30,30-40,40-50),("Number of Students"," "20," "24," "40," "36," "20):}

The following table shows marks in English secured by students of Clas

1.	The following table shows marks in English secured by students of Class X in your school in their examination. Calculate mean marks using Direct Method. {:("Marks",0-10,10-20,20-30,30-40,40-50),("Number of Students"," "20," "24," "40," "36," "20):}
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_C09_S01_006_S01.png" width="80%"/> <br/> `<a href="https://interviewquestions.tuteehub.com/tag/barx-2461082" style="font-weight:bold;" target="_blank" title="Click to know more about BARX">BARX</a>=(sumfm)/(sumf)=(3,620)/(<a href="https://interviewquestions.tuteehub.com/tag/140-273392" style="font-weight:bold;" target="_blank" title="Click to know more about 140">140</a>)=25.86` <br/> <a href="https://interviewquestions.tuteehub.com/tag/mean-1091459" style="font-weight:bold;" target="_blank" title="Click to know more about MEAN">MEAN</a> <a href="https://interviewquestions.tuteehub.com/tag/marks-1088184" style="font-weight:bold;" target="_blank" title="Click to know more about MARKS">MARKS</a> = 25.86.</body></html>