| 1 |
The distribution is measokurtic if the moment coefficient of of kurtosis b2 is. |
- A. Equal to 0
- B. Equal to 3
- C. Less than 3
- D. Greater than zero
|
| 2 |
The distribution is positively skewed if. |
- A. Mean < Mode
- B. Mean > Mode
- C. Mean > Median
- D. Both b and c
|
| 3 |
Pearson's co-efficient of skewness is positive when distribution is |
- A. Negatively skewed
- B. Positively skewed
- C. Symmetrical
- D. Leptokurtic
|
| 4 |
The sum of absolute deviations is a minimum if these deviations are taken from the |
- A. Mean
- B. Mode
- C. Median
- D. All of these
|
| 5 |
In a symmetrical distribution, the coefficient of skewness will always be. |
- A. Negative
- B. zero
- C. 1
- D. -1
|
| 6 |
Moment ratios b1 and are. |
- A. Expressed in original unit of the data
- B. Dimensionless quantities
- C. Independent of origin and scale of messurement
- D. Both b and c
|
| 7 |
The positive square root of the mean of the squares of deviations of values from their mean is |
- A. Variance
- B. Covariance
- C. Standard deviation
- D. Standard error
|
| 8 |
The mean deviation of dispersion can be negative. |
- A. Often
- B. Sometimes
- C. Always
- D. Never
|
| 9 |
The types of dispersion are. |
|
| 10 |
Fist moment about origin in is always equal |
- A. Mean
- B. Variance
- C. Zero
- D. 1(One)
|
