| 1 |
In measure of relative dispersion unit of measurement is. |
- A. Changed
- B. Vanishes
- C. Does not vanishes
- D. None of these
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| 2 |
Pearson's co-efficient of skewness is positive when distribution is |
- A. Negatively skewed
- B. Positively skewed
- C. Symmetrical
- D. Leptokurtic
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| 3 |
The mean of the absolute deviations of observations from mean, median or mode is called |
- A. Quartile deviation
- B. Absolute deviation
- C. Mean
- D. Mean deviation
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| 4 |
Which of the following measures of dispersion is independent of the units employed. |
- A. Standard deviation
- B. Quartile deviation
- C. <sub>Coefficient of variation</sub>
- D. Variance
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| 5 |
The lack of symmetry is called________. |
- A. consistent
- B. skewness
- C. Equidistant
- D. Kurtosis
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| 6 |
Standard deviation is always calculate form: |
- A. Mean
- B. Median
- C. Mode
- D. All of the above
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| 7 |
Quartile Co-efficient of skewness is also called as |
- A. Median co-efficent of skewness
- B. Pearson's 1st co-efficient of skewness
- C. Pearson's 2nd co-efficient of skewness
- D. None of these
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| 8 |
Teh range of the value -2, -4, -6 and -8 is. |
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| 9 |
First central moment is always. |
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| 10 |
The distribution is positively skewed if. |
- A. Mean < Mode
- B. Mean > Mode
- C. Mean > Median
- D. Both b and c
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