for what value of x,the mean of the given observations 2x-5,x+3,7-x,5-x and x+9 with frequencies 2,3,4,6 and 1 respectively is 4 ? how to solve it?

Asked by satyendra | 19th Sep, 2013, 01:17: PM

Expert Answer:

Answered by  | 19th Sep, 2013, 01:44: PM

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