find the median of the following data 42,45,78,94,65,92,72,55,if 65 is replaced by 68 what will be the new median
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Answered by
0
Answer:
Correct option is
A
68
92,35,67,85,72,81,56,51,42,69
No' of observations (n) =10
first of all we arrange the observations in an ascending order
35,42,51,56,67,69,72,81,85,92
Here observe that No' of observations (n) is even so
Median is average of
2
n
th term and (
2
n
+1) th term
Median =
2
2
n
th term+(
2
n
+1)th term
=
2
2
10
th term+(
2
10
+1)th term
=
2
5th term+6th term
=
2
67+69
=
2
136
Median = 68
Step-by-step explanation:
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