Question

the average of 10 obsertions was 30. if 2 observations 45 and 55 are removed . what is the average of remaining observations​

Answer 1

Answer:

25

Hope this helps you pls mark me as brainliest

Step-by-step explanation:

MEAN=Sum of observations/number of observations

number of observations=10

X/10=30

x=300=sum of observations

Now sum of observations=300-(45+55)

=300-100=200

Number of observations = 8

Mean=200/8=25