Ex 3.1, 7 - Chapter 3 Class 7 Data Handling

Last updated at August 4, 2026 by

Ex 3.1, 7 - The enrolment in a school during six consecutive years was

Remove Ads

Transcript

Ex 3.1, 7 The enrolment in a school during six consecutive years was as follows: 1555, 1670, 1750, 2013, 2540, 2820 Find the mean enrolment of the school for this period. Mean enrollment = (š‘†š‘¢š‘š š‘œš‘“ š‘’š‘›š‘Ÿš‘œš‘™š‘™š‘šš‘’š‘›š‘”š‘ )/(š‘š‘¢š‘šš‘š‘’š‘Ÿ š‘œš‘“ š‘¦š‘’š‘Žš‘Ÿš‘ ) = (1555 + 1670 + 1750 + 2013 + 2540 + 2820)/6 = 12348/6 = 2058 āˆ“ Mean enrollment per year is 2058 students

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.

Many students prefer Teachoo Black for a smooth, ad-free learning experience.