Question

The mean of x-5y,x-3y,x-y,x+y,x+3y and x+5y is 12 then value if x is

Answer 1

Answer:

Step-by-step explanation:

Total number of elements=6

Mean=(Sum of element)/6

12=(x-5y+x-3y+x-y+x+y+x+3y+x+5y)/6

12=(6x)/6

12=x;

The value of x is 12

Answer 2

The value of x is 12

Step-by-step explanation:

$Mean = \frac{\text{Sum of observations}}{\text{No. of observations}}$

The mean of x-5y,x-3y,x-y,x+y,x+3y and x+5y is 12

So, $12 = \frac{x-5y+x-3y+x-y+x+y+x+3y+x+5y}{6}\\12 \times 6 =6x$

x=12

Hence The value of x is 12

#Learn more:

Find the average of 12 number if first 8numbers average is 21 find the average of last 4 numbers

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