Question

Mean of 1, 2, x, 3 is ‘0’, then the value of x is ……​

Answer 1

Answer:

Arithmetic mean =  

No. of observations

Sum of all observations

​  

 

⇒0=  

4

1+2+x+3

​  

 

⇒0=6+x

⇒x=−6

Answer 2

Answer:

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