Ex 13.1, 10 - Chapter 13 Class 11 Statistics

Last updated at August 17, 2026 by

Ex 13.1, 10 - Find mean deviation Height (in cms) number boys - Ex 13.1

part 2 - Ex 13.1, 10 - Ex 13.1 - Serial order wise - Chapter 13 Class 11 Statistics

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Ex 13.1, 10 Find the mean deviation about the mean for the data Now, โˆ‘128โ–’๐‘“๐‘– = 100 โˆ‘128โ–’๐‘“๐‘– |๐‘ฅ๐‘– โˆ’๐’™ ฬ… | = 1128.8 Mean deviation about mean = (โˆ‘โ–’ใ€– ๐‘“_๐‘– |๐‘ฅ๐‘– โˆ’๐’™ ฬ… | ใ€—)/๐‘“_๐‘– = 1128.8/100 = 11.288

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