Statistics Terminology; Accessories - Elcometer 224 Operating Instructions Manual

15 STATISTICS TERMINOLOGY

Symbol Term
Hi HIGHEST READING The value of the maximum thickness in a group of readings.
Lo LOWEST READING The value of the minimum thickness in a group of readings.
MEAN
NO. OF READINGS Number of Readings. The running value for the number of readings taken
STD DEVIATION

16 ACCESSORIES

The following accessories are available from Elcometer, or your local Elcometer supplier:
Pack of 2 Spare Probe Tips, Dust Seals and Fixing Tool
Pack of 2 Spare Probe Tips and Dust Seals
Pack of 5 Spare Probe Tips and Dust Seals
Probe Tip Protection Cap
Soft Pouch
Zero Plate with Wallet
Meaning
The average of a group of readings; the sum of the individual readings
divided by the number of readings.
in a group.
Standard Deviation. A statistical measure of the spread of values in a
group of readings.
T22420053
T22420054
T22420095
T22419793
T22420050
T22420072
R
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