following are the weights in kg of 8 students of a class 48.5, 50, 44.5, 49.5, 50.5, 45 , 51, 43 . Find the mean weight, what will be the weight if a student of 55 kg is also included?
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m= sumof terms ÷ number of terms
m= 48.5+ 50+44.5+49.5+50.5+45+51+43÷8
m=382÷8
m=47.5
When a student of weight 55kg is also included in the weight will be = 382+55=432
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