Following are the weights in kg of 8 student in a class
48.5 ,50, 44.5, 49.5, 50.5, 45, 51, 43
Find the mean weight
What will be the mean weight if a student whose weight 62 kg is also include
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Answer:
48.5+50+44.5+49.5+50.5+45+51+43=382/8=47.75
if a student of 62 kg is included:
382+62=444/9=49.33
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