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The circle graph shows the results of a survey of a college class. Find the mean, median, and mode of the data. (If necessary, round your answers to two decimal places.) 

 

I can't figure out the mean. 

 

mean    =_______yr

 

median    = 20 yr

 

mode  = 19   yr

Guest Nov 9, 2018
 #1
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mean = (19x9 + 20x6 + 21x7 + 22x3 + 23x2+ 24x1 + 28x2 + 36x1 + 68x1 + 18x4)/(9+6+7+3+2+1+2+1+1+4)

 

mean = 403/18 ~22.39

Rom  Nov 9, 2018

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