Table 1.
Results from the observer choice
| Category | n | Observer proportion | Test proportion | P-value |
|---|---|---|---|---|
| Cryogenic instrument | 25 | 0.61 | 0.50 | 0.212a |
| Noncryogenic instrument | 16 | 0.39 | ||
| Total | 41 | 1.00 |
a
Based on normal distribution.
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