MEDIUM
JEE Main/Advance
IMPORTANT
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The mean deviation about the median for the following data is: 

7,5,4,3,4,3,2,11,19,21,15

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Important Questions on Statistics

MEDIUM
JEE Main/Advance
IMPORTANT

Following are the marks obtained by 9 students in a mathematic test:

50,69,20,33,53,39,40,65,59

The mean deviation from the median is

MEDIUM
JEE Main/Advance
IMPORTANT

The mean deviation about the mean for the following data is:

xi 20 22 25 27
xf 3 8 6 3
HARD
JEE Main/Advance
IMPORTANT

The mean deviation about the median for the following data:

xi 3 4 5 6 7 8 9
xf 4 3 2 1 4 5 1
MEDIUM
JEE Main/Advance
IMPORTANT

The mean deviation about the mean for the following data :

Class 100-120 120-140 140-160 160-180 180-200
Frequency 2 1 3 2 2
HARD
JEE Main/Advance
IMPORTANT

The mean deviation about the median for the following data is:

Class 0-10 10-20 20-30 30-40 40-50
Frequency 7 16 13 21 13
EASY
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IMPORTANT
The mean of 7 observations is 11. If six of the observations are 2,6,8,10,12,18 then remaining one observation is
EASY
JEE Main/Advance
IMPORTANT
Median of the data 10,21,5,6,4,12,14,3, is
EASY
JEE Main/Advance
IMPORTANT
The mean of 5 observations 1,2,6, x and y is 4.4, then x+y is