MCQOPTIONS
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MCQOPTIONS
| 1. |
Which one of these is correct to evaluate the mean standard deviation of the process samples? |
| A. | ( bar{s} = frac{ sum_{i=1}^m (n_i-1) s_i^2}{ sum_{i=1}^m n_i} ) |
| B. | ( bar{s} = left[ frac{ sum_{i=1}^m (n_i-1) s_i^2}{ sum_{i=1}^m n_i-m} right]^2 ) |
| C. | ( bar{s} = left[ frac{ sum_{i=1}^m (n_i-1) s_i^2}{ sum_{i=1}^m n_i-m} right]^{1/2} ) |
| D. | ( bar{s} = frac{ sum_{i=1}^m (n_i-1) s_i^2}{ sum_{i=1}^m n_i-m} ) |
| Answer» D. ( bar{s} = frac{ sum_{i=1}^m (n_i-1) s_i^2}{ sum_{i=1}^m n_i-m} ) | |