If the mean of the data 9, 17, 18, 14, x, 16, 15, 11 and 12 is x, then find the value of x.

If the mode of the data 16, 15, 17, 16, 15, x, 19, 17, 14, is 15, then find x

If the mode of 15, 12, 18, 8, 9, 16, 12, x, 18, 10 is 18, then the value of x is

If the median of 20, 19, 7, 9, 17, 16, 11, x, 13 is 15 then the value of x is

If the mean of the data 3,21,25,17,(x+3),19,(x-4) is 18, find the value of x. Using this value of x. find the mode of the data.

The mean of observations 18, 14, 15, 19, 15, a12, 15, 16 is 16. Find the value of a. Also, find the median and mode.

Range of the data 16,17,15,11,18,23,10,9,10

If the mode of the date 16,15,17,16,15,x,19,17,14 is 15 then x=

The range of the data 15, 18, 17, 16, 14, x, 12, 10, 9, 15 is 9. Which of the following is true about x ?

the range of the data 13, 18, 20, 15, 12, 17, 9, 14, 11, and 16 is ________.