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Question
The weight (in kg) of 8 new born babies are 3, 3.2, 3.4, 3.5, 4, 3.6, 4.1, 3.2. Find their A.M.
Sum
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Solution
Given: The weights (kg) are 3, 3.2, 3.4, 3.5, 4, 3.6, 4.1, 3.2.
Step-wise calculation:
Sum = 3 + 3.2 + 3.4 + 3.5 + 4 + 3.6 + 4.1 + 3.2
Sum = 28.0 kg
Number of observations = 8
A.M. = `"Sum"/"Number"`
= `28.0/8`
= 3.5 kg
The arithmetic mean A.M. of the weights is 3.5 kg.
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