the mean of the following data is37. find x

28,35,25,32,x,40,45,50

sum of observations = 28 + 35 + 25 + 32 + 40 + 45 + 50 + x = 255 + x
no. of observations = 8
mean = 37
mean = sum of observationsno. of observations 37 = 255 + x8 255 + x = 296 x = 296 - 255 = 41

  • 3

MEAN =28+35+25+32+x+40+45+50 8

37 =255+x 8

37X8 = 255+x

296 = 255+x

296-255 = x

71 = x

  • -1
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