MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the standard formula of sample variance? |
| A. | \(\frac{\sum_{i=1}^n (x_i-\bar{x})^{1/2}}{n-1}\) |
| B. | \(\frac{\sum_{i=1}^n (x_i-\bar{x})^{2}}{n-1}\) |
| C. | \([\frac{\sum_{i=1}^n (x_i-\bar{x})^{2}}{n-1}]^{1/2}\) |
| D. | \(\frac{\sum_{i=1}^n (x_i-\bar{x})^{2}}{n}\) |
| Answer» B. \(\frac{\sum_{i=1}^n (x_i-\bar{x})^{2}}{n-1}\) | |