The mean of 10 observation is 50. If one more number is added the mean is 50 itself . Find added number
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Answer:
50
Step-by-step explanation:
Mean of 10 numbers=50
Sum of 10 numbers=x
Mean= x/10=50
x=500
One more number is added,
Mean = (x+y)/11 = 50
x+y = 550
500 + y =550
y = 550-500 = 50
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