Question

The mean of 10 observations is 25. If one observation, namely 25, is deleted, find the new mean.

Answer 1

Answer:

25 is the new mean.

Step-by-step explanation:

Solution is given in the attachment.

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Answer 2

Answer:

given, mean is 25

onservation = 10

Now, we'll will find the sum of observation

25 = sum of observation÷10

This give 250

And the number 25 are deleted from the sum of observation

new observation is 9

new mean is

Mean = 250 -25÷9

this give 25

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for the answer

Step-by-step explanation: