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Home  >>  JEEMAIN and NEET  >>  Mathematics  >>  Class11  >>  Statistics

On thirteen consecutive days the number of persons booked for violating speed limit of 40 km / hr were as follows. \[ \] 58, 61, 68, 57, 62, 50, 55, 62, 53, 54, 51, 59, 52 \[\] The median number of speed violations per day is

$\begin {array} {1 1} (A)\;61 & \quad (B)\;52 \\ (C)\;55 & \quad (D)\;57 \end {array}$

1 Answer

In the above given data 62 is repeated twice,
now we write the data in ascending order.
50, 51, 52, 53, 54, 55, 57, 58, 59, 61, 62, 62, 68
Thus the measure of $ \large\frac{(13+1)}{2}$
= 7th item is median value
Hence median = 57
answered Jan 28, 2014 by thanvigandhi_1
 

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