Agastya
from
NCS Arakkonam, Chennai
Subject :IMO Class : Class 7
The mode and median of the following data 21, 23, 25, 23, 21, 24, 22, 20, 23 respectively, are
A 23, 23
B 21, 23
C 25, 21
D 23, 21
Ans 2:
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Ans 3:
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Ans 5:
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Ans 7:
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Shashwat Sharma
from
Him Academy Public School, Vikasnagar, Hamirpur, Hamirpur
Class : Class 7
(A) is the correct option.Here 23 is the most frequent observation (Frequency=3), so it is the mode.Arranging the data in an ascending order, 20,21,21,22,23,23,23,24,25; so here 23 is the middle-most observation,thus it is the median of the following data.