Math, asked by abhinavkumarrai05, 5 hours ago

The mean of certain observation is 10. Even if one observation is deleted, mean is not changed. Then the deleted observation is

Answers

Answered by vamsi1224

0

Answer:

10

Step-by-step explanation:

since, mean=sum of observations/number of observation

even if 10 is removed there is no change in mean

Answered by purvihnagariya

0

Step-by-step explanation:

Mean of 10 observations = 25

Sum of 10 observations = 25×10 = 250

After removing an observation with a value = 25

New sum = 250−25=225

New mean =

9

225

=25

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