1.

The mean of 8, 13, 6, 4, x ,7 ,9 ,16, 12 is (x + 3). Find the value of mean and median.​

Answer»

Answer:

Given: MEAN of numbers is 8

The numbers are:7,9,x,13,6

To calculate mean we have FORMULATION,

=(Sum of total numbers)/(COUNT of total given numbers)

So the Mean is given that is 8 therefore,

8=(7+9+x+13+6)/(5)

8*5=35+x

40=35+x

X=40–35

[X=5]

The value of X is 5.



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