1.

(b) The mean of the following numbers is 68. Find the value of x45, 52, 60, х, 69, 70, 26, 81, 94Hence, estimate the median.

Answer»

Mean = (45+52+60+x+69+70+26+81+94)/9 => 68*9 = 497+x=> 612= 497+x=> x = 115.



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