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The mean of 25 observed is 16.if 4 is added to first 10 obstetric new mean is |
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Answer» Answer: Sum of 25 observations =25×16=400 After ADDING 4 to FIRST 10 observations, new sum = 400+4×10=440 Thus, new mean = 25 440
=17.6 Step-by-step explanation: please Mark as Brainliest |
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