Statistics Terminology - Elcometer 224 Operating Instructions Manual

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10 STATISTICS TERMINOLOGY

Symbol Term
Hi HIGHEST READING
Lo LOWEST READING
MEAN
NO. OF READINGS
STD DEVIATION
18
Meaning
The value of the maximum thickness in a group of readings.
The value of the minimum thickness in a group of readings.
The average of a group of readings; the sum of the individual
readings divided by the number of readings.
Number of Readings. The running value for the number of
readings taken in a group.
Standard Deviation. A statistical measure of the spread of values
in a group of readings.