the mean of 10 observations is 3.5 if two observations namely 3.5 and 2.5 I deleted find the new mean
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Mean of 10 observations = 3.5
Total of 10 = 3.5*10 = 35
Excluding 3.5 & 2.5, total of 8 = 35-6 = 29
Mean = 29/8 = 3.625
Total of 10 = 3.5*10 = 35
Excluding 3.5 & 2.5, total of 8 = 35-6 = 29
Mean = 29/8 = 3.625
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