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The mean of 10 observation is 19.8.if one of the observation 12 is noted instead of 21 then find correct mean |
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Answer» Step-by-step explanation: Let the MEAN be Y y/10 = 15 y = 150 Real SUM= 150 - 5 = 145 Real mean = 145/10 = 14.5 i hope my answer will help you |
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