Question

1) The median of 25 observations is 12 and the median of the other 15 observations is20, dì What is the median of all 40 observations? ”​

The median of 25 observations is 12 =25×12=300
and other 15 observation is 20 =15×20=300
so 40 observations is
300+300= 600 and 600/40=15



2) The median of 5 observations is 27. Adding a new observation adds upto 29 of the 6 observations. Find a new observation added.


so 5×27=135

and 135 + x = 29×6
135 + x = 174
x = 174-135
x = 39

Answer 1

Answer:

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