1.

5. Find the mean of x + 3 + 5 x + 7 x + 9and x + 11.​

Answer»

Step-by-step EXPLANATION:

Answer

Mean of x+3,x+5,x+7,x+9,x+11.

We KNOW, Mean is GIVEN by,

Mean=

Total NUMBER of elements

Sum of the elements

.

Here, number of observations =5.

⟹ Mean =

5

(x+3)+(x+5)+(x+7)+(x+9)+(x+11)

=

5

5x+35

=x+7.



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