<>10
Not equal to_self explanatory.
<>6
Greater than_self explanatory.
<>8
Less than or equal to_self explanatory.
<>15
Out of range_self explanatory.
<>4
Equal to_self explanatory.
<>3
Approximately_self explanatory.
<>13
Observed value_description to be provided.
<>11
Trace_description to be provided.
<>7
Less than_self explanatory.
<>12
True value_description to be provided.
<>5
Greater than or equal to_self explanatory.
