MCQOPTIONS
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MCQOPTIONS
| 1. |
According to empirical rule, the mean and standard deviation interval that covers approximately 95.45% of data from a frequency distribution is |
| A. | μ±σ |
| B. | 2μ±2σ |
| C. | 3μ±2σ |
| D. | μ±2σ |
| Answer» E. | |