find median class 7.
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Step-by-step explanation:
1)write the given observations in ascending or in descending order
1,1.2,2,7.5,10,11.2,50
take the middle two observations
7.5+10=17.5
so the median is 17.5
2) ascending order =1,1.2,1.4,2,2,5,7,30
take the middle two observations
2+2=4 so the median is 4
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