47. The median of the data is / आँकड़ों का माध्यक है - 30,25,27,25.8,29,35,38,28
28.5
29.5
28
29
Answer / उत्तर -28.5
explanation / स्पष्टीकरण :-
explanation / स्पष्टीकरण :-
30,25,27,25.8, 29, 35, 38, 28
arranged the given data in ascending order-
25,25.8,27,28,29,30,35,38
n=8 (even)
Formula to find median for even numbers-
Median=[nth value/2 + (n/2+1)th value]/2
=[8/2th value + (8/2+1)th value]/2
=[4th value + 5th value]/2
=[28+29]/2
=57/2
=28.5
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