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Last updated at May 29, 2018 by Teachoo
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Ex 15.1, 10 Find the mean deviation about the mean for the data Now, โ128โ๐๐ = 100 โ128โ๐๐ |๐ฅ๐ โ๐ ฬ | = 1128.8 Mean deviation about mean = (โโใ ๐_๐ |๐ฅ๐ โ๐ ฬ | ใ)/๐_๐ = 1128.8/100 = 11.288
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