| 1 |
<span style="color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;">β is a letter</span> |
- A. German
- B. Greek
- C. Latin
- D. Dutch
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| 2 |
the standard deviation is independent of. |
- A. Change of origin
- B. Change of scale of measurement
- C. Change origin and scale of meaturement
- D. None of these
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| 3 |
Co-efficent of quartile deviation can be calculated by the following formula |
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| 4 |
Standard deviation is always calculate form: |
- A. Mean
- B. Median
- C. Mode
- D. All of the above
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| 5 |
Which of the following statements is correct. |
- A. Every symmetrical curve is measokurtic
- B. Standard deviation is the mean squared deviations from the mean
- C. The standard deviation of a constant is constant
- D. Teh second moment about zero equals variance.
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| 6 |
Which measure of disperesion is considered as the best genereal purpose measure of dispersion. |
- A. Range
- B. Semi interquartile range
- C. Standard deviation
- D. Mean deviation
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| 7 |
Mean deviationis always. |
- A. More than S.D.
- B. Equal to S.D.
- C. Less than S.D.
- D. None of these
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| 8 |
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
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| 9 |
For symmetrical distribution mega 3 is. |
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| 10 |
Second moment about mean is called |
- A. Standard deviation
- B. Mean deviation
- C. Variance
- D. Coefficient of variation
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