1.

Mean of 5 observations was find to be 54. If one more observation 30 was added to the data what would be the new mean of data​

Answer»

ANSWER:

Step-by-step explanation:

MEAN of 10 observations = 28

Total of 10 observations = 280 [incorrect total]

Correct total = 280 + 14 - 24 = 280 - 10 = 270

The correct mean = 270/10 = 27



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