Question

please help me quickly​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

The correct mean is 240.

Step-by-step explanation:

Mean = Sum of all observations/Total no of observations

10 = Sum of all observations/25

Sum of all observations = 10 × 25

• 250

Correct mean = 250 - 60 + 50

Since one of the observation is recorded 60 instead 50.

• 240

∴ The correct mean is 240.