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2016 AMC 10AProblem 7P1-10~2 minPrint
Statistics & DataSet up the equation/formula and compute; no special trick needed

The mean, median, and mode of the 77 data values 60,100,x,40,50,200,9060, 100, x, 40, 50, 200, 90 are all equal to xx . What is the value of xx ?

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Problem © Mathematical Association of America (MAA), American Mathematics Competitions. Reproduced for non-commercial educational use. Solution and commentary are original to this site.