Question

The mean weight of 8 students is 46.5kg. Three more students having weights 41.7kg , 52.8kg and 51.8kg joined the group what is the main weight of students

Answer 1

Mean weight of 8 students is 46.5kg

Therefore total weight = 8 × 46.5 = 372

Add three students weighing = 372+41.7+52.8+51.8 = 518.3

Therefore, Mean = 518.3/11 students 
= 47.11 Kg 

Answer 2

Answer:

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