Question

what is the mean of X + 2, X + 3, X + 4 and X - 2​

Answer 1

Answer:

x+7/4

Step-by-step explanation:

Mean= Sum of observations/Total number of observations

=[(x+2)+(x+3)+(x+4)+(x-2)/4

=[4x+7]/4

=x+7/4

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Answer 2

Step-by-step explanation:

mean =sum of observations/no.of observations

observations= x+2 , x+3 ,x+4, x-2

no of observations=4

mean= (x+2+x+3+x+4+x-2)/4

=4x+7/4

the mean of X + 2, X + 3, X + 4 and X - 2 is 4x+7/4.