Mean Deviation about Mean
Trending Questions
Q. The variance of 3, 6, 9, …., 30 is
- 72.45
- 74.25
- 54.36
- 48.37
Q. Mean deviation of the series a, a + d, a + 2d, a + 2nd from its mean is
Q.
Number of goals scored by Ronaldo in champions league for past 10 years are as follows. {1, 3, 8, 4, 7, 6, 10, 12, 17, 10} Find the mean deviation about the mean.
3.6
3
4
3.4
Q.
If the mean deviation of the numbers 1, 1+d, 1+2d, ⋅, 1+100d from their mean is 255, then d is equal to:
10.1
20.2
20.0
10.0
Q. If the mean deviation of the number 1, 1+d, 1+2d, ....1+100d from their mean is 255 then d is equal to (d>0)
- 10.0
- 20.2
- 10.1
- 20.0
Q. If the mean deviation about the median of the numbers a, 2a, ...., 50a is 50. Then |a| equals
- 4
- 5
- 2
- 3
Q. The mean of 5 observations is 5 and their variance is 12.4. If three of the observations are 1, 2 and 6; then the mean deviation from the mean of the data is:
- 2.8
- 2.6
- 2.5
- 2.4
Q. If the mean deviation of the data 1, 1+d, 1+2d, …, 1+100d from their mean is 255, then d is equal to
- 10.0
- 20.0
- 10.1
- 20.2
Q. The mean deviation about the mean for the following data :
5, 6, 7, 8, 6, 9, 13, 12, 15 is :
5, 6, 7, 8, 6, 9, 13, 12, 15 is :
- 1.5
- 3.2
- 5
- 2.89
Q. If the mean deviation of the numbers 1, 1+d, 1+2d, …, 1+100d from their mean is 255, then |d| is equal to
- 20
- 10.1
- 10
- 20.2