U During the test the following evaluation criteria:
- u <1.64: result coincides with the value of the standard.
- 1.95> u> 1.64: results almost identical to standard values but require other information to can confirm.
- 2.85> u> 1.95: Unknown results coincide with the standard value or not (not clear).
- 3:29> u> 2:58: results slightly different standard values, but need more information believed to be concluded.
- u> 3:29: Other results with standard values.
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