MCQOPTIONS
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| 1. |
Suppose values taken by a variable x are such that \[a\le {{x}_{i}}\le b\], where \[{{x}_{i}}\] denotes the value of x in the ith case for i = 1, 2, n. Then [Kurukshetra CEE 1995, 2000] |
| A. | \[a\le \text{Var}(x)\le b\] |
| B. | \[{{a}^{2}}\le \text{Var}(x)\le {{b}^{2}}\] |
| C. | \[\frac{{{a}^{2}}}{4}\le \text{Var}(x)\] |
| D. | \[{{(b-a)}^{2}}\ge \text{Var}(x)\] |
| Answer» E. | |