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Ex 15.1, 10 - Find mean deviation Height (in cms) number boys - Mean deviation about mean - Continuous frequency distibution

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  1. Chapter 15 Class 11 Statistics
  2. Serial order wise
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Ex 15.1, 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’™ย ฬ… | = 1128.8 Mean deviation about mean = (โˆ‘โ–’ใ€– ๐‘“_๐‘– |๐‘ฅ๐‘– โˆ’๐’™ย ฬ… | ใ€—)/๐‘“_๐‘– = 1128.8/100 = 11.288

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