The Average of 8 observation is 24, if one more observation of 33, is added then the new average will be ?A, 24B, 20C, 28D, 25
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Step-by-step explanation:
sum of average of 8 observations=24×8=192
NOW,
Sum of average of 9 observations=192+33=225
HENCE,
New average = 225÷9 =25
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