Question

mean of 200 observation is 1.55 later on it was discovered that observation 2.4 was misread as 4.2 find the correct mean​

Answer 1

45528 is the answer dude

Answer 2

Answer:

1.541

Step by step explanation:

Given: Mean of 200 observations = 1.55

Sum of 200 observations = 1.55×200

= 310

But later, it was discovered that 2.4 was misread as 4.2.

Correct mean = 310-4.2+2.4 ÷ 200

= 308.2 ÷ 200

= 1.541

Hence the correct mean is 1.541..

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