Question

Mean of 9obs is 35 find the mean when one more obs 25 is included in it

Answer 1

Answer:

check d answer below

Step-by-step explanation:

new mean will be 34

Answer 2

Step-by-step explanation:

the sum of total observation is = mean(no of observation)

sum = 35×9

sum = 315

now 25 is included so new sum is 340

and new no of observation is 10

so mean = new sum/new no. of observation

mean = 340/10

mean = 34.

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