Answer :
For a data set 21 23 60 60 50 54 54 59 26 15 43 15, the missing data is mathematically given as
y=10
Which could be the missing data item for the given set of data if the median of the complete data set is 50?
Generally, the equation for the median is mathematically given as
x= sum n/n
Therefore
x=21+23+60+60+50+54+54+59+26+15+43+15)/12
x=480/ 12
x= 40
In conclusion, since 50 is the median
y=x-40
y= 50-40
y=10
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