Questions
If a variable takes discrete values then the median is
a
x−54
b
x−12
c
x−2
d
x+54
detailed solution
Correct option is A
Arranging the given values in ascending order of magnitude, we getx−72,x−3,x−52,x−2,x−12,x+12,x+4,x+5There are 8 observations in this series∴ Median= AM of 4th and 5th observation⇒ Median = AM of (x - 2) and (x -1/2)⇒ Median =x−2+x−122=x−54Talk to our academic expert!
Similar Questions
The following data give the distribution of heights of students:
| Height (in cm) | 160 | 150 | 152 | 161 | 156 | 154 | 155 |
| Number of students | 12 | 8 | 4 | 4 | 3 | 3 | 7 |
The median of the distribution is
799 666 8865
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