Question

5. 12+x,14+2x,16,18+x, 20,22-x 13 24-3x ET
Ha Jean: The mean of 12+x,14+2x,16,18+X,
20,22-x and 24-3x is: 12+x,14+2x,16,18+X,
20,22-x 3R 24-3x T FEHT :
O 16
018
O 20
O
20+x​

Answer 1

Given : 12+x,14+2x,16,18+x, 20,22-x and 24-3x

To Find : Mean  

16

18

20

20+x​

Solution:

Mean = Sum of all observations / number of observation

12  + x

14 + 2x

16

18 + x

20

22 - x

24 - 3x

______

126 + 4x - 4x  =  126

Sum of all observations = 126

Number of observation  = 7

Mean = 126/7  = 18

The mean of 12+x,14+2x,16,18+x, 20,22-x and 24-3x is : ​ 18

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