result of class 10th board exam of two schools a and b are given below state which of them is better and why calculate simple mean
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i don't know what is the value of x in figure it
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School A
71+83+73+74+65+66=432
432/5
86.4
School B
82+76+73+76+65+60=372
372/5
74.4
School A is better
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