| 1 |
Co-efficent of quartile deviation can be calculated by the following formula |
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| 2 |
Which is a poor measure of dispersion in open-end distribution. |
- A. Range
- B. Standard deviation
- C. Variance
- D. A.M
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| 3 |
The variance of 4,4,4,4,4 is. |
- A. -4
- B. (4)<sup>2</sup>
- C. 8
- D. 0
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| 4 |
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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| 5 |
The variance of constant is always |
- A. Constant
- B. One
- C. Positive
- D. Zero
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| 6 |
The compare the variation of two or more than two sereies, we use. |
- A. Mean absolute deviation
- B. Variance
- C. Coefficient of viariation
- D. Corrected atandard deviation
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| 7 |
The range of the scores 19,3,140,25,95,is |
- A. 140
- B. 137
- C. 143
- D. 3
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| 8 |
The mean deviation is least if deviations are taken from |
- A. A.M
- B. Mode
- C. G.M
- D. Median
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| 9 |
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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| 10 |
Co-efficent of standard deviation can be measured by the following formula |
|