Elcometer Novo-Gloss 406 Operating Instructions Manual page 16

Definition of terms used in statistics mode
For this purpose the individual readings are defined as values x
set.
• Statistical sample population, n: The current number of stored readings (STORE), on which the
statistical calculations are based.
• Maximum (MAX): The highest reading in the data set.
• Minimum (MIN): The lowest reading in the data set.
• Mean (MEAN): The average value for the data set. The sum of all the individual readings divided by
the total number of readings.
• Standard Deviation (SD): Square root of the sum of squared deviations from the mean.
• Coefficient of variation (CV): Standard deviation divided by the mean; a measure of the data scatter
that can be compared for different mean values.
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, x , --- x and x is any reading in the data
1 2 n i