Honeywell 301C User Manual page 42

The top left portion contains the statistic quantifier (available only for
Groups) that take only the specified part of the group into the equation.
Options available in this field are:
all: includes all transmitters in the group
mean: includes the average concentration for the group's transmitters
max: includes the group's maximum concentration
min: includes the group's minimum concentration
1/4: includes at least a quarter of the group's transmitters that
meets set conditions
1/3: includes at least a third of the group's transmitters that meets
set conditions
1/2: includes at least half of the group's transmitters that meets set
conditions
2/3: includes at least two thirds of the group's transmitters that
meets set conditions
3/4: includes at least three quarters of the group's transmitters that
meets set conditions
1 or +: at least one or more than one of the group's transmitters that
meets set conditions
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