median of a data arranged in descending order 32;28;x;y;18;12;9 is 19 and one more observation 45 is added to the data the median has become 21. find x and y
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Answered by
0
Answer:
Total observations =10 (even)
Median =
2
10
=5th &
2
10
+1=6
th
observations
Median =
2
5
th
+6
th
observations
63=
2
x+x+2
⇒x+1=63
⇒x=62
Answered by
0
Total observation = 10 (even)
Median = 210 = 5th and 210 + 1 = 6th observation
Median = 25th +26th observation
63 = 2x+x+2
=> x+1 = 63
=> x =62
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