the mean of 5 numbers is 27 if one more number is excluded their mean is 25 find the excluded observation
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amd the answer is 60
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tishi:
sorry it will be the answer for included
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Mean of 5nos =27
Sum of 5nos =27*5 =135
Mean of remaining 4nos =25
Sum of 4nos =25*4=100
Value of excluded number =135-100=35
Sum of 5nos =27*5 =135
Mean of remaining 4nos =25
Sum of 4nos =25*4=100
Value of excluded number =135-100=35
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