Math, asked by rohanhota27, 5 hours ago

The mean of 10 number is 25.if 1 number will excluded there mean is 20. Find the excluded observation.

Answers

Answered by madhurane78

0

Answer:

"

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 "

Step-by-step explanation:

hope it's helpful :)

Answered by shanthreddyarjunagi

0

Answer:

the excluded observation is 70

Step-by-step explanation:

250/10=25

180/9=20

therefore the observation is 70

from karnataka

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