The average of 30 numbers is 48.If three numbers namely 45, 55, 43 are disable, the average of remaining numbers is?
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Answer:
48.04
Step-by-step explanation:
Average = Sum of all observations/number of observations
Average of 30 numbers = 48
=> Total sum of all 30 observations = 48* 30 = 1440
Sum of numbers disabled = 45 + 55 + 43 = 143.
New sum of 27 observations = 1440 - 143 = 1297.
Thus new average = 1297/27 = 48.04
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